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import pandas as pd from sklearn.model_selection import train_test_split from sklearn.linear_model import LogisticRegression,Ridge from sklearn.svm im 阅读全文
posted @ 2024-07-28 19:05
xxxyyyxxxok
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import pandas as pd from sklearn.model_selection import train_test_split from sklearn.linear_model import LogisticRegression,Ridge from sklearn.svm im 阅读全文
posted @ 2024-07-28 18:49
xxxyyyxxxok
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更改顺序 insert、pop df.insert(0,'a',df.pop('a')) 分组排序 df['班级Python成绩排名'] = df.groupby('班级')['Python成绩'].rank(method='min', ascending=False) 离散化 df['class' 阅读全文
posted @ 2024-07-28 17:29
xxxyyyxxxok
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assign df.assign( col3=df["col2"].str.upper(), col4=df["col1"] * 3 / 4 + 25, col5=lambda x: x["col1"] / 2 + 10, col6=lambda x: x["col5"] * 5, # 在col6计 阅读全文
posted @ 2024-07-28 17:27
xxxyyyxxxok
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