if else condition in pandas dataframe code example
Example 1: if condition dataframe python
df.loc[df['age1'] - df['age2'] > 0, 'diff'] = df['age1'] - df['age2']
Example 2: if else python pandas dataframe
conditions = [
(df['likes_count'] <= 2),
(df['likes_count'] > 2) & (df['likes_count'] <= 9),
(df['likes_count'] > 9) & (df['likes_count'] <= 15),
(df['likes_count'] > 15)
]
values = ['tier_4', 'tier_3', 'tier_2', 'tier_1']
df['tier'] = np.select(conditions, values)
df.head()
Example 3: conditions in pandas dataframe
df.loc[df[‘column name’] condition, ‘new column name’] = ‘value if condition is met’