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Python 2021-11-14 11:46:15
python - count number of values without dupicalte in a second column values
ID, domain 123, 'vk.com' 123, 'vk.com' 123, 'twitter.com' 456, 'vk.com' 456, 'facebook.com' 456, 'vk.com' 456, 'google.com' 789, 'twitter.com' 789, 'vk.com' df = df.groupby('domain')['ID'].nunique() print (df) domain 'facebook.com' 1 'google.com' ... Add solution -
Python 2021-11-05 11:39:11
def conditional_impute(input_df, choice='median')
def conditional_impute(input_df, choice='median'): new_df = input_df.copy() if choice == 'median': new_df['Age'] = round(new_df.groupby(['Sex', 'Pclass'])['Age'].transform(func = lambda x: x.fillna(x.median())),1) elif ch... Add solution -
Python 2021-10-29 07:47:08
df groupby loop
grouped = df.groupby('A') for name, group in grouped: ... Add solution