

{"id":15406,"date":"2018-05-12T10:20:20","date_gmt":"2018-05-12T10:20:20","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=15406"},"modified":"2021-12-05T21:59:09","modified_gmt":"2021-12-05T16:29:09","slug":"sas-stat-nonparametric-regression","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/sas-stat-nonparametric-regression\/","title":{"rendered":"SAS\/STAT Nonparametric Regression Procedure &#8211; PROC GAM"},"content":{"rendered":"<p>In our journey of <strong>SAS\/STAT Tutorials<\/strong>, we learned many types of analysis procedures, today we are going to discuss a SAS\/STAT Nonparametric Regression. In this tutorial, we are going to explore the procedures of SAS\/STAT Nonparametric Regression: PROC ADAPTIVEREG, PROC GAM, PROC GAMPL, PROC LOESS, and PROC TPSPLINE with examples &amp; syntax.<\/p>\n<p>So, let&#8217;s begin with SAS\/STAT Nonparametric Regression.<\/p>\n<h3>What is SAS\/STAT NonParametric Regression?<\/h3>\n<p>SAS\/STAT Nonparametric Regression\u00a0falls under a category of <strong>regression\u00a0analysis<\/strong> where the variable that is to be predicted (predictor) does not take a form that is predetermined but, is constructed from information that is derived from the original data.<\/p>\n<p>In SAS\/STAT\u00a0<em>nonparametric regression<\/em>, you do not specify the functional form of your choice. You specify the dependent variable, the outcome, and the covariates. <em>Nonparametric Regression<\/em>\u00a0in SAS\/STAT is basically used for prediction, but it is also reliable even if <strong>hypotheses<\/strong> of linear regression are not verified.<\/p>\n<h3>Procedures for Non-Parametric Regression in SAS\/STAT<\/h3>\n<p>Following procedures are used to perform a SAS\/STAT Nonparametric Regression of a sample data. Each procedure has a different syntax and is used with different type of data in different contexts. Let us explore each one of these.<\/p>\n<h4>a. PROC ADAPTIVEREG<\/h4>\n<p>The ADAPTIVEREG procedure is useful for building regression models when you have many variables to choose from and the response is either continuous or categorical. It specifically builds nonparametric regression models. It is useful in situations when we want an accurate prediction and the relationship between the predictors and response is unknown.<br \/>\n<strong>A Syntax of PROC ADAPTIVEREG-<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\">PROC ADAPTIVEREG DATASET;\r\n\u00a0Class variable;\r\n\u00a0MODEL VARIABLE &lt;options&gt; ;<\/pre>\n<p><strong>\u00a0<\/strong><br \/>\n<strong>PROC ADAPTIVEREG Example-<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\">proc adaptivereg data=sashelp.class;\r\nclass name;\r\nmodel age= height weight \/ dist=normal;\r\nrun;<\/pre>\n<p>&nbsp;<\/p>\n<div id=\"attachment_15429\" style=\"width: 731px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-adaptivereg-output-1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15429\" class=\"wp-image-15429 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-adaptivereg-output-1.png\" alt=\"SAS\/STAT Nonparametric Regression -\u00a0PROC ADAPTIVEREG\" width=\"721\" height=\"615\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-adaptivereg-output-1.png 721w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-adaptivereg-output-1-150x128.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-adaptivereg-output-1-300x256.png 300w\" sizes=\"auto, (max-width: 721px) 100vw, 721px\" \/><\/a><p id=\"caption-attachment-15429\" class=\"wp-caption-text\">SAS\/STAT Nonparametric Regression &#8211;\u00a0PROC ADAPTIVEREG<\/p><\/div>\n<div id=\"attachment_15430\" style=\"width: 295px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-adaptivereg-output-2.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15430\" class=\"wp-image-15430 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-adaptivereg-output-2.png\" alt=\"SAS PROC ADAPTIVEREG\" width=\"285\" height=\"266\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-adaptivereg-output-2.png 285w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-adaptivereg-output-2-150x140.png 150w\" sizes=\"auto, (max-width: 285px) 100vw, 285px\" \/><\/a><p id=\"caption-attachment-15430\" class=\"wp-caption-text\">SAS PROC ADAPTIVEREG<\/p><\/div>\n<h4>b. PROC GAM<\/h4>\n<p>GAM stands for generalized additive models. It builds models that come under the nonparametric class of regression. In this procedure, there is no assumption of linearity and it is used when the dependent variable is not distributed normally.<\/p>\n<p><strong>A Syntax of PROC GAM-<\/strong><strong>\u00a0<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\">PROC \u00a0GAM dataset &lt;options&gt;;\r\n\u00a0Class &lt; variable&gt; ;\r\nMODEL &lt;dependent variable&gt;;<\/pre>\n<p><strong>PROC GAM\u00a0Example-<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\">proc gam data=sashelp.class;\r\nmodel age =spline(height)\r\nspline(weight) \/ dist=normal;\r\nrun;<\/pre>\n<p>The keyword spline suggests that there could be nonlinearity in the model and the PROC GAM and MODEL statements are required.\u00a0<strong>\u00a0 \u00a0 \u00a0<\/strong><\/p>\n<div id=\"attachment_15431\" style=\"width: 691px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gam-output-2.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15431\" class=\"wp-image-15431 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gam-output-2.png\" alt=\"SAS\/STAT Nonparametric Regression -\u00a0PROC GAM\" width=\"681\" height=\"508\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gam-output-2.png 681w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gam-output-2-150x112.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gam-output-2-300x224.png 300w\" sizes=\"auto, (max-width: 681px) 100vw, 681px\" \/><\/a><p id=\"caption-attachment-15431\" class=\"wp-caption-text\">SAS\/STAT Nonparametric Regression &#8211;\u00a0PROC GAM<\/p><\/div>\n<div id=\"attachment_15432\" style=\"width: 370px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gam-output-1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15432\" class=\"wp-image-15432 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gam-output-1.png\" alt=\"SAS\/STAT Nonparametric Regression -\u00a0PROC GAM\" width=\"360\" height=\"574\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gam-output-1.png 360w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gam-output-1-94x150.png 94w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gam-output-1-188x300.png 188w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><p id=\"caption-attachment-15432\" class=\"wp-caption-text\">SAS\/STAT Nonparametric Regression &#8211;\u00a0PROC GAM<\/p><\/div>\n<h4>c. PROC GAMPL<\/h4>\n<p>The GAMPL provides a model fitting for generalized additive models, which are highly versatile statistical models that find different applications in different industries. These models are basically used for unknown data which is complex and which exhibits non-linear relationships between the response and the predictors.<\/p>\n<p>They can be used for almost all distributions. In SAS\/STAT, it can be run in two ways- single machine mode and distributed mode.<\/p>\n<p><strong>A Syntax of PROC GAMPL-<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\">PROC \u00a0GAMPL dataset &lt;options&gt;;\r\n\u00a0Class &lt; variable&gt; ;\r\n\u00a0Model \u00a0response &lt;(response-options)&gt;\u00a0=\u00a0&lt;PARAM(effects)&gt; &lt;spline-effects&gt; &lt;\/ model-options&gt;;<\/pre>\n<p>PROC GAMPL\u00a0and MODEL statements are required.<br \/>\n<strong>PROC GAMPL Example-<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\">ods graphics on;\r\nproc gampl data=sashelp.class plots=all;\r\nmodel age = param(height weight) spline(height)\r\nspline(weight) \/ dist=poisson;\r\nrun;<\/pre>\n<div id=\"attachment_15433\" style=\"width: 359px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15433\" class=\"wp-image-15433 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-1.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"349\" height=\"466\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-1.png 349w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-1-112x150.png 112w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-1-225x300.png 225w\" sizes=\"auto, (max-width: 349px) 100vw, 349px\" \/><\/a><p id=\"caption-attachment-15433\" class=\"wp-caption-text\">SAS Nonparametric Regression &#8211;\u00a0PROC GAMPL<\/p><\/div>\n<div id=\"attachment_15434\" style=\"width: 544px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-2.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15434\" class=\"wp-image-15434 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-2.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"534\" height=\"557\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-2.png 534w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-2-144x150.png 144w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-2-288x300.png 288w\" sizes=\"auto, (max-width: 534px) 100vw, 534px\" \/><\/a><p id=\"caption-attachment-15434\" class=\"wp-caption-text\">SAS Nonparametric Regression &#8211;\u00a0PROC GAMPL<\/p><\/div>\n<div id=\"attachment_15435\" style=\"width: 672px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-3.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15435\" class=\"wp-image-15435 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-3.png\" alt=\"SAS Nonparametric Regression -\u00a0PROC GAMPL\" width=\"662\" height=\"381\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-3.png 662w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-3-150x86.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-gampl-output-3-300x173.png 300w\" sizes=\"auto, (max-width: 662px) 100vw, 662px\" \/><\/a><p id=\"caption-attachment-15435\" class=\"wp-caption-text\">SAS Nonparametric Regression &#8211;\u00a0PROC GAMPL<\/p><\/div>\n<h4>d. PROC LOESS<\/h4>\n<p>The PROC LOESS in SAS\/STAT performs nonparametric regression. It makes no assumption of parametric form of regression. This procedure is useful when you don\u2019t know the parametric form of data and when there are too many outliers in the data.<br \/>\n<strong>A Syntax of PROC LOESS-<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\">PROC \u00a0LOESS dataset &lt;options&gt;;\u00a0\r\n\u00a0MODEL &lt;options&gt;;<\/pre>\n<p><strong>PROC LOESS Example-<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\">ods graphics on;\r\nproc loess data=sashelp.class plots=all;\r\nmodel age=height;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\r\nrun;<\/pre>\n<div id=\"attachment_15436\" style=\"width: 215px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15436\" class=\"wp-image-15436 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-1.png\" alt=\"SAS\u00a0PROC LOESS\" width=\"205\" height=\"146\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-1.png 205w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-1-150x107.png 150w\" sizes=\"auto, (max-width: 205px) 100vw, 205px\" \/><\/a><p id=\"caption-attachment-15436\" class=\"wp-caption-text\">SAS\u00a0PROC LOESS<\/p><\/div>\n<div id=\"attachment_15437\" style=\"width: 667px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-2.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15437\" class=\"wp-image-15437 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-2.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"657\" height=\"625\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-2.png 657w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-2-150x143.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-2-300x285.png 300w\" sizes=\"auto, (max-width: 657px) 100vw, 657px\" \/><\/a><p id=\"caption-attachment-15437\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT &#8211; PROC LOESS<\/p><\/div>\n<div id=\"attachment_15438\" style=\"width: 259px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-3.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15438\" class=\"wp-image-15438 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-3.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"249\" height=\"321\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-3.png 249w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-3-116x150.png 116w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-3-233x300.png 233w\" sizes=\"auto, (max-width: 249px) 100vw, 249px\" \/><\/a><p id=\"caption-attachment-15438\" class=\"wp-caption-text\">SAS PROC LOESS<\/p><\/div>\n<p>&nbsp;<\/p>\n<div id=\"attachment_15439\" style=\"width: 653px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-4-1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15439\" class=\"wp-image-15439 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-4-1.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"643\" height=\"489\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-4-1.png 643w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-4-1-150x114.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-4-1-300x228.png 300w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/a><p id=\"caption-attachment-15439\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT &#8211; PROC LOESS<\/p><\/div>\n<div id=\"attachment_15440\" style=\"width: 656px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-5.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15440\" class=\"wp-image-15440 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-5.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"646\" height=\"483\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-5.png 646w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-5-150x112.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-5-300x224.png 300w\" sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><\/a><p id=\"caption-attachment-15440\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT &#8211; PROC LOESS<\/p><\/div>\n<div id=\"attachment_15441\" style=\"width: 653px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-6.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15441\" class=\"wp-image-15441 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-6.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"643\" height=\"485\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-6.png 643w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-6-150x113.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-6-300x226.png 300w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/a><p id=\"caption-attachment-15441\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT &#8211; PROC LOESS<\/p><\/div>\n<div id=\"attachment_15442\" style=\"width: 655px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-7.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15442\" class=\"wp-image-15442 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-7.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"645\" height=\"485\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-7.png 645w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-7-150x113.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-7-300x226.png 300w\" sizes=\"auto, (max-width: 645px) 100vw, 645px\" \/><\/a><p id=\"caption-attachment-15442\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT &#8211; PROC LOESS<\/p><\/div>\n<div id=\"attachment_15443\" style=\"width: 656px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-8.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15443\" class=\"wp-image-15443 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-8.png\" alt=\"Nonparametric Regression in SAS\/STAT - PROC LOESS\" width=\"646\" height=\"484\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-8.png 646w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-8-150x112.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-8-300x225.png 300w\" sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><\/a><p id=\"caption-attachment-15443\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT &#8211; PROC LOESS<\/p><\/div>\n<div id=\"attachment_15444\" style=\"width: 505px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-9.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15444\" class=\"wp-image-15444 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-9.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"495\" height=\"487\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-9.png 495w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-9-150x148.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-9-300x295.png 300w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/a><p id=\"caption-attachment-15444\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT &#8211; PROC LOESS<\/p><\/div>\n<p>&nbsp;<\/p>\n<div id=\"attachment_15445\" style=\"width: 666px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-10.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15445\" class=\"wp-image-15445 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-10.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"656\" height=\"490\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-10.png 656w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-10-150x112.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-10-300x224.png 300w\" sizes=\"auto, (max-width: 656px) 100vw, 656px\" \/><\/a><p id=\"caption-attachment-15445\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT &#8211; PROC LOESS<\/p><\/div>\n<div id=\"attachment_15446\" style=\"width: 659px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-11.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15446\" class=\"wp-image-15446 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-11.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"649\" height=\"486\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-11.png 649w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-11-150x112.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-loess-output-11-300x225.png 300w\" sizes=\"auto, (max-width: 649px) 100vw, 649px\" \/><\/a><p id=\"caption-attachment-15446\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT &#8211; PROC LOESS<\/p><\/div>\n<h4><span style=\"font-family: Georgia, Georgia, serif;font-weight: inherit\">e. PROC TPSPLINE<\/span><\/h4>\n<p>The TPSPLINE procedure is used to fit a nonparametric regression model by using the penalized least squares method. It provides options for handling large data sets, supports multiple dependent variables and enables you to choose a particular model by specifying the model degrees of freedom or smoothing parameter.<\/p>\n<p>It fits the data with a flexible model in which the number of effective parameters can be as large as the number of unique design points.<br \/>\n<strong>A Syntax of PROC TPSPLINE-<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\">PROC \u00a0TPSPLINE dataset &lt;options&gt;;\u00a0\r\nMODEL dependents\u00a0=\u00a0&lt;variables&gt;\u00a0(variables)&lt;\/ options&gt;;<\/pre>\n<p>The PROC TPSPLINE and MODEL statements are required statements.<\/p>\n<p><strong>PROC TPSPLINE Example-<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\">ods graphics on;\r\nproc tpspline data=sashelp.class plots=all;\r\nmodel age=(height weight)\u00a0 ;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\r\nrun;<\/pre>\n<div id=\"attachment_15447\" style=\"width: 274px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15447\" class=\"wp-image-15447 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-1.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"264\" height=\"425\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-1.png 264w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-1-93x150.png 93w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-1-186x300.png 186w\" sizes=\"auto, (max-width: 264px) 100vw, 264px\" \/><\/a><p id=\"caption-attachment-15447\" class=\"wp-caption-text\">SAS\u00a0PROC TPSPLINE<\/p><\/div>\n<div id=\"attachment_15448\" style=\"width: 665px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-2.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15448\" class=\"wp-image-15448 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-2.png\" alt=\"SAS\/STAT Nonparametric Regression -\u00a0PROC TPSPLINE\" width=\"655\" height=\"495\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-2.png 655w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-2-150x113.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-2-300x227.png 300w\" sizes=\"auto, (max-width: 655px) 100vw, 655px\" \/><\/a><p id=\"caption-attachment-15448\" class=\"wp-caption-text\">SAS\/STAT Nonparametric Regression &#8211;\u00a0PROC TPSPLINE<\/p><\/div>\n<div id=\"attachment_15449\" style=\"width: 507px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-3.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15449\" class=\"wp-image-15449 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-3.png\" alt=\"AS Nonparametric Regression -\u00a0PROC TPSPLINE\" width=\"497\" height=\"484\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-3.png 497w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-3-150x146.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-3-300x292.png 300w\" sizes=\"auto, (max-width: 497px) 100vw, 497px\" \/><\/a><p id=\"caption-attachment-15449\" class=\"wp-caption-text\">AS Nonparametric Regression &#8211;\u00a0PROC TPSPLINE<\/p><\/div>\n<p>&nbsp;<\/p>\n<div id=\"attachment_15450\" style=\"width: 666px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-4.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15450\" class=\"wp-image-15450 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-4.png\" alt=\"Nonparametric Regression in SAS\/STAT-\u00a0PROC TPSPLINE\" width=\"656\" height=\"377\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-4.png 656w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-4-150x86.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-4-300x172.png 300w\" sizes=\"auto, (max-width: 656px) 100vw, 656px\" \/><\/a><p id=\"caption-attachment-15450\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT-\u00a0PROC TPSPLINE<\/p><\/div>\n<div id=\"attachment_15452\" style=\"width: 658px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-5.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15452\" class=\"wp-image-15452 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-5.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"648\" height=\"492\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-5.png 648w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-5-150x114.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-5-300x228.png 300w\" sizes=\"auto, (max-width: 648px) 100vw, 648px\" \/><\/a><p id=\"caption-attachment-15452\" class=\"wp-caption-text\">SAS\/STAT Nonparametric Regression &#8211;\u00a0PROC TPSPLINE<\/p><\/div>\n<div id=\"attachment_15453\" style=\"width: 668px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-6.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15453\" class=\"wp-image-15453 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-6.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"658\" height=\"489\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-6.png 658w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-6-150x111.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-6-300x223.png 300w\" sizes=\"auto, (max-width: 658px) 100vw, 658px\" \/><\/a><p id=\"caption-attachment-15453\" class=\"wp-caption-text\">SAS Nonparametric Regression &#8211;\u00a0PROC TPSPLINE<\/p><\/div>\n<div id=\"attachment_15454\" style=\"width: 658px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-7.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15454\" class=\"wp-image-15454 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-7.png\" alt=\"Nonparametric Regression in SAS\/STAT -\u00a0PROC TPSPLINE\" width=\"648\" height=\"494\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-7.png 648w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-7-150x114.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-7-300x229.png 300w\" sizes=\"auto, (max-width: 648px) 100vw, 648px\" \/><\/a><p id=\"caption-attachment-15454\" class=\"wp-caption-text\">Nonparametric Regression in SAS\/STAT &#8211;\u00a0PROC TPSPLINE<\/p><\/div>\n<p>&nbsp;<\/p>\n<div id=\"attachment_15455\" style=\"width: 502px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-8.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15455\" class=\"wp-image-15455 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-8.png\" alt=\"SAS\/STAT Nonparametric Regression -\u00a0PROC TPSPLINE\" width=\"492\" height=\"492\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-8.png 492w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-8-150x150.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-8-300x300.png 300w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-8-100x100.png 100w\" sizes=\"auto, (max-width: 492px) 100vw, 492px\" \/><\/a><p id=\"caption-attachment-15455\" class=\"wp-caption-text\">SAS\/STAT Nonparametric Regression &#8211;\u00a0PROC TPSPLINE<\/p><\/div>\n<div id=\"attachment_15456\" style=\"width: 659px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-9.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15456\" class=\"wp-image-15456 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-9.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"649\" height=\"486\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-9.png 649w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-9-150x112.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-9-300x225.png 300w\" sizes=\"auto, (max-width: 649px) 100vw, 649px\" \/><\/a><p id=\"caption-attachment-15456\" class=\"wp-caption-text\">SAS Nonparametric Regression &#8211;\u00a0PROC TPSPLINE<\/p><\/div>\n<div id=\"attachment_15457\" style=\"width: 661px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-10.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15457\" class=\"wp-image-15457 size-full\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-10.png\" alt=\"SAS\/STAT Nonparametric Modeling\" width=\"651\" height=\"486\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-10.png 651w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-10-150x112.png 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2018\/05\/proc-tpspline-output-10-300x224.png 300w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/a><p id=\"caption-attachment-15457\" class=\"wp-caption-text\">SAS Nonparametric Regression &#8211;\u00a0PROC TPSPLINE<\/p><\/div>\n<p>This was all\u00a0about SAS\/STAT Nonparametric Regression Tutorial. Hope you like our explanation<b><\/b>.<\/p>\n<h3>Conclusion<\/h3>\n<p>So, this was a complete description and a comprehensive understanding of all the procedures offered by SAS\/STAT nonparametric regression. We looked: PROC ADAPTIVEREG, PROC GAM, PROC GAMPL, PROC LOESS, and PROC TPSPLINE\u00a0with their example &amp; syntax, and how they can be used. Hope you all enjoyed it.<\/p>\n<p>Stay tuned for more interesting topics in SAS\/STAT and, for queries, post your doubts in the comments section below.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In our journey of SAS\/STAT Tutorials, we learned many types of analysis procedures, today we are going to discuss a SAS\/STAT Nonparametric Regression. In this tutorial, we are going to explore the procedures of&#46;&#46;&#46;<\/p>\n","protected":false},"author":6,"featured_media":15428,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[168,169,175,183,9117,9119,9994,9995,10016,10017,10018,10019,10048,10049,10126,10127,12089],"class_list":["post-15406","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sas-stat","tag-a-syntax-of-proc-gam","tag-a-syntax-of-proc-gampl","tag-a-syntax-of-proc-loess","tag-a-syntax-of-proc-tpspline","tag-nonparametric-regression","tag-nonparametric-regression-sas","tag-proc-adaptivereg","tag-proc-adaptivereg-example","tag-proc-gam","tag-proc-gam-example","tag-proc-gampl","tag-proc-gampl-example","tag-proc-loess","tag-proc-loess-example","tag-proc-tpspline","tag-proc-tpspline-example","tag-sas-nonparametric-regression"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - 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