how to replace zero by none values pandas dataframe code example
Example 1: how to replace nan with 0 in pandas
df['product']=df['product'].fillna(0)
df['context']=df['context'].fillna(0)
df
Example 2: replace "-" for nan in dataframe
df.replace(np.nan,0)
Example 3: how to replace zero value in python dataframe
nonzero_mean = df[ df.col != 0 ].mean()