4 examples of 'rename columns pandas' in Python

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420def df_column_types_rename(df):
421 result = [df[x].dtype.name for x in list(df.columns)]
422 result[:] = [x if x != 'object' else 'string' for x in result]
423 result[:] = [x if x != 'int64' else 'integer' for x in result]
424 result[:] = [x if x != 'float64' else 'double' for x in result]
425 result[:] = [x if x != 'bool' else 'boolean' for x in result]
426
427 return result
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39def _drop_col(self, df):
40 '''
41 Drops last column, which was added in the parsing procedure due to a
42 trailing white space for each sample in the text file
43 Arguments:
44 df: pandas dataframe
45 Return:
46 df: original df with last column dropped
47 '''
48 return df.drop(df.columns[-1], axis=1)
62def matchColumnNames(df):
63 return df.rename(
64 columns={
65 "id": "vehicle_id",
66 "heading": "direction",
67 "secsSinceReport": "seconds_since_report",
68 "lat": "latitude",
69 "lon": "longitude",
70 "routeTag": "line"
71 }
72 )
653def set_index_post_series(df, index_name, drop, column_dtype):
654 df2 = df.drop("_partitions", axis=1).set_index("_index", drop=True)
655 df2.index.name = index_name
656 df2.columns = df2.columns.astype(column_dtype)
657 return df2

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