Answers for "pandas replace nan with value from another column"

22

replace nan in pandas

df['DataFrame Column'] = df['DataFrame Column'].fillna(0)
Posted by: Guest on May-29-2020
6

how to replace nan with 0 in pandas

df['product']=df['product'].fillna(0)
df['context']=df['context'].fillna(0)
df
Posted by: Guest on July-04-2020
2

pandas replace null values with values from another column

#Python
#Col 1 = where you want the values replaced
#Col 2 = where you want to take the values from
df["Col 1"].fillna(df["Col 2"], inplace=True)
Posted by: Guest on April-05-2020
0

pandas if nan, then the row above

df.fillna(method='ffill')
Posted by: Guest on July-22-2020
0

replace nan in pandas column with mode and printing it

def exercise4(df):
    df1 = df.select_dtypes(np.number)
    df2 = df.select_dtypes(exclude = 'float')
    mode = df2.mode()
    df3 = df1.fillna(df.mean())
    df4 = df2.fillna(mode.iloc[0,:])
    new_df = [df3,df4]
    df5 = pd.concat(new_df,axis=1)
    new_cols = list(df.columns)
    df6 = df5[new_cols]
    return df6
Posted by: Guest on July-23-2020

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