如何从 Pandas 中的系列制作 1 by n 数据框？

Question

I have a huge dataframe, and I index it like so:

df.ix[<integer>]

Depending on the index, sometimes this will have only one row of values. Pandas automatically converts this to a Series, which, quite frankly, is annoying because I can't operate on it the same way I can a df.

How do I either:

1) Stop pandas from converting and keep it as a dataframe ?

OR

2) easily convert the resulting series back to a dataframe ?

pd.DataFrame(df.ix[<integer>]) does not work because it doesn't keep the original columns. It treats the <integer> as the column, and the columns as indices. Much appreciated.

Answer 1

您可以执行df.ix[[n]]以获得第n行的单行数据帧。