pandas df where conditional code example
Example 1: or condition in pandas
df1 = df[(df.a != -1) & (df.b != -1)]Example 2: if condition dataframe python
df.loc[df['age1'] - df['age2'] > 0, 'diff'] = df['age1'] - df['age2']df1 = df[(df.a != -1) & (df.b != -1)]df.loc[df['age1'] - df['age2'] > 0, 'diff'] = df['age1'] - df['age2']