Answers for "how to slice in pandas"

3

slicing in pandas

# iloc[row slicing, column slicing]
surveys_df.iloc[0:3, 1:4]
Posted by: Guest on July-16-2020
0

add an index column in range dataframe

df = df.loc[df.index.repeat(df['a'])]   
df['c'] = df.groupby(level=0).cumcount() + 1
df = df.reset_index(drop=True)
print (df)
   a  b  c
0  1  x  1
1  2  y  1
2  2  y  2
3  3  z  1
4  3  z  2
5  3  z  3
Posted by: Guest on November-06-2020

Python Answers by Framework

Browse Popular Code Answers by Language