df replace 0 with nan code example

Example 1: replace nan in pandas

df['DataFrame Column'] = df['DataFrame Column'].fillna(0)

Example 2: replace "-" for nan in dataframe

df.replace(np.nan,0)

Example 3: dataframe fillna with 0

df['column'] = df['column'].fillna(0)

Example 4: how to replace zero with null in python

df2.loc[df2['Weight'] == 0,'Weight'] = np.nan
df2.loc[df2['Height'] == 0,'Height'] = np.nan
df2.loc[df2['BootSize'] == '0','BootSize'] = np.nan
df2.loc[df2['SuitSize'] == '0','SuitSize'] = np.nan