{"id":143689,"date":"2024-12-07T17:46:46","date_gmt":"2024-12-07T12:16:46","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=143689"},"modified":"2025-06-24T15:33:35","modified_gmt":"2025-06-24T10:03:35","slug":"decision-tree-in-machine-learning","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/decision-tree-in-machine-learning\/","title":{"rendered":"Decision Tree in Machine Learning"},"content":{"rendered":"<h3>Program 1<\/h3>\n<p><a href=\"https:\/\/data-flair.s3.ap-south-1.amazonaws.com\/ai-ml-course-dataset-vivek-uprit\/ml-decision-tree-part-1.zip\" target=\"_blank\" rel=\"noopener\"><strong>Machine Learning Dataset<\/strong><\/a><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">import pandas as pd\r\nimport numpy as np\r\n\r\n\r\ndf_salary=df_salary=pd.read_csv(\"D:\/\/scikit_data\/tree\/salaries.csv\")\r\n\r\n\r\ndf_salary.head()\r\n\r\n\r\ndf_salary.shape\r\n\r\ndf_salary.isnull().sum()\r\n\r\n\r\n# Independed Columns\r\ndf_input=df_salary.drop('salary_more_then_100k',axis='columns')\r\n\r\n\r\ndf_input\r\n\r\n\r\n#Depended Columns\r\ndf_output=df_salary['salary_more_then_100k']\r\n\r\n\r\ndf_output\r\n\r\n\r\nfrom sklearn.preprocessing import LabelEncoder\r\n\r\n\r\nlb_company=LabelEncoder()\r\nlb_job=LabelEncoder()\r\nlb_degree=LabelEncoder()\r\n\r\n\r\ndf_input['company_new']=lb_company.fit_transform(df_input['company'])\r\n\r\ndf_input\r\n\r\n\r\ndf_input['job_new']=lb_job.fit_transform(df_input['job'])\r\ndf_input['degree_new']=lb_job.fit_transform(df_input['degree'])\r\n\r\n\r\ndf_input\r\n\r\n\r\ndf_input.drop(['company','job','degree'],axis='columns')\r\n\r\n\r\ndf_input.drop('job_degree',axis='columns')\r\n\r\n\r\ndf_input\r\n\r\n\r\ndf_input1=df_input.drop(['company','job','degree','job_degree'],axis='columns')\r\n\r\n\r\ndf_input1\r\n\r\n\r\nfrom sklearn import tree\r\n\r\n\r\nmodel=tree.DecisionTreeClassifier()\r\n\r\n\r\nmodel.fit(df_input1,df_output)\r\n\r\n\r\nmodel.predict([[2,0,1]])\r\n\r\n\r\ndf_output\r\n\r\n\r\nmodel.score(df_input1,df_output)\r\n\r\n\r\nmodel.predict([[0,0,1]])\r\n<\/pre>\n<p>&nbsp;<span hidden class=\"__iawmlf-post-loop-links\" data-iawmlf-links=\"[{&quot;id&quot;:91,&quot;href&quot;:&quot;https:\\\/\\\/data-flair.s3.ap-south-1.amazonaws.com\\\/ai-ml-course-dataset-vivek-uprit\\\/ml-decision-tree-part-1.zip&quot;,&quot;archived_href&quot;:&quot;http:\\\/\\\/web-wp.archive.org\\\/web\\\/20251205201609\\\/https:\\\/\\\/data-flair.s3.ap-south-1.amazonaws.com\\\/ai-ml-course-dataset-vivek-uprit\\\/ml-decision-tree-part-1.zip&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2025-12-16 14:24:19&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2025-12-21 13:07:01&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-04 05:56:38&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-10 08:06:26&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-15 04:46:23&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-04-16 03:03:31&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-04-26 06:16:32&quot;,&quot;http_code&quot;:206}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-04-26 06:16:32&quot;,&quot;http_code&quot;:206},&quot;process&quot;:&quot;done&quot;}]\"><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 Machine Learning Dataset import pandas as pd import numpy as np df_salary=df_salary=pd.read_csv(&#8220;D:\/\/scikit_data\/tree\/salaries.csv&#8221;) df_salary.head() df_salary.shape df_salary.isnull().sum() # Independed Columns df_input=df_salary.drop(&#8216;salary_more_then_100k&#8217;,axis=&#8217;columns&#8217;) df_input #Depended Columns df_output=df_salary[&#8216;salary_more_then_100k&#8217;] df_output from sklearn.preprocessing import LabelEncoder lb_company=LabelEncoder() lb_job=LabelEncoder() lb_degree=LabelEncoder() df_input[&#8216;company_new&#8217;]=lb_company.fit_transform(df_input[&#8216;company&#8217;])&#46;&#46;&#46;<\/p>\n","protected":false},"author":581,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[3626,33243,8431,33244,33127,33128,33245],"class_list":["post-143689","post","type-post","status-publish","format-standard","hentry","category-machine-learning","tag-decision-tree","tag-decision-tree-in-machine-learning","tag-machine-learning","tag-machine-learning-decision-tree","tag-machine-learning-practical","tag-machine-learning-program","tag-machine-learning-program-on-decision-tree"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - 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