pandas replace inf or nan code example

Example 1: replace nan in pandas

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

Example 2: pandas where retuning NaN

# Try using a loc instead of a where:
df_sub = df.loc[df.yourcolumn == 'yourvalue']

Example 3: replace all nan values in dataframe

# Replacing all nan values with 0 in Dataframe
df = df.fillna(0)