It is not duplication what concerns me. It is not appending. It is
vstacking or extending, but not appending in the semantics of a sequence
append.
 On Nov 28, 2013 5:03 PM, "Yaroslav Halchenko" <notifications@github.com>
wrote:

> In mvpa2/base/dataset.py:
>
> >          """Append the content of a Dataset.
> >
> >          Parameters
> >          ----------
> >          other : AttrDataset
> >            The content of this dataset will be append.
> > +        stack   : str. Options: "v" for vertical (Default) or "h" for horizontal.
> > +            If 'v', other is added to the bottom of dataset as additional samples
>
> On Thu, 28 Nov 2013, Michael Hanke wrote: It would great if wie could geht
> rid of Dataset.append() completely. RhE semantics are just wrong.
> I have seen .append used too often to get rid of it... we could reuse/call
> hstack/vstack probably inside to avoid duplication
> … <#1429f736c8e2b5a6_>
> -- Yaroslav O. Halchenko, Ph.D. http://neuro.debian.net
> http://www.pymvpa.org http://www.fail2ban.org Senior Research Associate,
> Psychological and Brain Sciences Dept. Dartmouth College, 419 Moore Hall,
> Hinman Box 6207, Hanover, NH 03755 Phone: +1 (603) 646-9834 Fax: +1 (603)
> 646-1419 WWW: http://www.linkedin.com/in/yarik
>
> —
> Reply to this email directly or view it on GitHub<https://github.com/PyMVPA/PyMVPA/pull/121/files#r7988094>
> .
>