Panel.join()

other : Panel or list of Panels

Index should be similar to one of the columns in this one

how : {?left?, ?right?, ?outer?, ?inner?}

How to handle indexes of the two objects. Default: ?left? for joining on index, None otherwise * left: use calling frame?s index * right: use input frame?s index * outer: form union of indexes * inner: use intersection of indexes

lsuffix : string

Suffix to use from left frame?s overlapping columns

rsuffix : string

Suffix to use from right frame?s overlapping columns