[英]Transpose DataFrame Pandas and add a new column
If need transpose and processing index with columns names convert column Grades
to index, select column by [[]]
to one column Dataframe
, transpose by DataFrame.T
, rename
index and set column name by DataFrame.rename_axis
:
d = {'Count':'Myschool'}
df1 = df.set_index('Grades')[['Count']].T.rename(d).rename_axis('School', axis=1)
如果只有 2 列DataFrame
可以省略选择列:
df1 = df.set_index('Grades').T.rename({'Count':'Myschool'}).rename_axis('School', axis=1)
print (df1)
School Grade1 Grade2 Grade3 Grade4
Myschool 55 42 65 70
另一个想法:
df1 = df.set_index('Grades')['Count'].to_frame('Myschool').T.rename_axis('School', axis=1)
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