Pandas concat: ValueError: Shape of passed values is blah, indices imply blah2

Question

I\'m trying to merge a (Pandas 14.1) dataframe and a series. The series should form a new column, with some NAs (since the index values of the series are a subset of the ind

Answer 1

My problem were different indices, the following code solved my problem.

df1.reset_index(drop=True, inplace=True)
df2.reset_index(drop=True, inplace=True)
df = pd.concat([df1, df2], axis=1)