{"kind":"task","effective_mode":"full","benchmark":{"kind":"benchmark","effective_mode":"full","slug":"ds-1000","formal_name":"DS-1000","introduction":"DS-1000 builds 1,000 data-science problems from real StackOverflow questions across seven libraries including NumPy, Pandas and Matplotlib. The problems are perturbed so that recalling the original answer does not solve them.","introduction_ja":"","introduction_en":"","category":"Category not supplied","task_count":null,"acquisition_status":"Acquisition status not supplied","official_url":"https://ds1000-code-gen.github.io/","indexing_mode":"index","profile":{"resources":[],"task_format":"","scoring":"","metric":"","size":"","answer_access":"","license":"","citation":"","maintainer":"","released":"","why_hard":"","related":[],"history":"","construction":"","limitations":"","saturation":"","scores":[]}},"task_id":"ffe82dfa-8cc9-560d-bd22-5670d8ee5a6c","task_key":"default--test--925","task_revision_id":"1","upstream_id":"925","short_description":"I would like to apply minmax scaler to column A2 and A3 in dataframe myData and…","config":"default","split":"test","body":"{\"library\":\"Sklearn\",\"prompt\":\"Problem:\\n\\nI would like to apply minmax scaler to column A2 and A3 in dataframe myData and add columns new_A2 and new_A3 for each month.\\n\\nmyData = pd.DataFrame({\\n    'Month': [3, 3, 3, 3, 3, 3, 8, 8, 8, 8, 8, 8, 8],\\n    'A1': [1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2],\\n    'A2': [31, 13, 13, 13, 33, 33, 81, 38, 18, 38, 18, 18, 118],\\n    'A3': [81, 38, 18, 38, 18, 18, 118, 31, 13, 13, 13, 33, 33],\\n    'A4': [1, 1, 1, 1, 1, 1, 8, 8, 8, 8, 8, 8, 8],\\n})\\nBelow code is what I tried but got en error.\\n\\nfrom sklearn.preprocessing import MinMaxScaler\\n\\nscaler = MinMaxScaler()\\n\\ncols = myData.columns[2:4]\\nmyData['new_' + cols] = myData.groupby('Month')[cols].scaler.fit_transform(myData[cols])\\nHow can I do this? Thank you.\\n\\nA:\\n\\ncorrected, runnable code\\n<code>\\nimport numpy as np\\nfrom sklearn.preprocessing import MinMaxScaler\\nimport pandas as pd\\nmyData = pd.DataFrame({\\n    'Month': [3, 3, 3, 3, 3, 3, 8, 8, 8, 8, 8, 8, 8],\\n    'A1': [1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2],\\n    'A2': [31, 13, 13, 13, 33, 33, 81, 38, 18, 38, 18, 18, 118],\\n    'A3': [81, 38, 18, 38, 18, 18, 118, 31, 13, 13, 13, 33, 33],\\n    'A4': [1, 1, 1, 1, 1, 1, 8, 8, 8, 8, 8, 8, 8],\\n})\\nscaler = MinMaxScaler()\\n</code>\\nmyData = ... # put solution in this variable\\nBEGIN SOLUTION\\n<code>\\n\"}","display_format":"code","language":"","answer_status":"published","assets":[],"source_url":"https://ds1000-code-gen.github.io/","history":"initial import","indexing_mode":"index","subproblems":[],"grids":[]}