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Python 2022-02-20 00:30:24
sort series in ascending order
series['col'].value_counts().sort_index() Add solution -
Python 2022-02-02 17:45:03
pandas order dataframe by index of other dataframe
df.sort_index() Add solution -
Python 2022-02-02 04:52:24
update csv file in python using pandas
I was able to get the desired data frame. import pandas as pd import numpy as np df1 = pd.read_csv('\\dir\\test1.csv', index_col=0) df2 = pd.read_csv('\\dir\\test2.csv', index_col=0) new_index = list(set(list(df1.index.values)+list(df2.index.values))) ... Add solution -
Python 2021-09-21 03:34:02
expand pandas dataframe into separate rows
def explode(df, lst_cols, fill_value='', preserve_index=False): # make sure `lst_cols` is list-alike if (lst_cols is not None and len(lst_cols) > 0 and not isinstance(lst_cols, (list, tuple, np.ndarray, pd.Series))): lst... Add solution