Answers for "how get sum of column where condition in python"

1

pandas dataframe sum with condition

subset_df = df[df["A"] > 3]
column_sum = subset_df.sum()
Posted by: Guest on April-17-2021
0

sumif in python on a column and create new column

df['treat_rate']=df.treats/df.groupby('pet').treats.transform('sum')
df
Out[153]: 
    pet  treats  lbs  treat_rate
0   cat       2  5.0        0.25
1   dog       1  9.9        0.50
2  snek       3  1.1        1.00
3   cat       6  4.5        0.75
4   dog       1  9.4        0.50
Posted by: Guest on July-09-2020

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