is not nan pandas code example
Example 1: check if a value in dataframe is nan
#return a subset of the dataframe where the column name value == NaN
df.loc[df['column name'].isnull() == True]Example 2: numpy is not nan
a = a[~np.isnan(a)]#return a subset of the dataframe where the column name value == NaN
df.loc[df['column name'].isnull() == True]a = a[~np.isnan(a)]