list nan to zero pandas 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: python zeros to nan
a[a==0] = np.nan
df['product']=df['product'].fillna(0)
df['context']=df['context'].fillna(0)
df
a[a==0] = np.nan