OK. Cool. That probably means that problem is much smaller and more likely to be logistics. Your suggestion of an off-by-one issue is quite plausible.
On Thu, Feb 6, 2014 at 4:46 PM, Stamatis Rapanakis <stamrapana...@gmail.com>wrote: > That is correct. My problem is not the categories developed (which are > meaningful by the way) but the fact that a certain document is not assigned > to the proper (LDA generated) category. The document to topics assignment > is really bad... > > > On Thu, Feb 6, 2014 at 5:08 PM, Ted Dunning <ted.dunn...@gmail.com> wrote: > > > I can't comment on the specific question that you ask, but it should not > > necessarily be expected that LDA will reconstruct the categories that you > > have in mind. It will develop categories that explain the data as well > as > > it can, but that won't necessarily match the categories you intend. > > > > It is likely, however, that the topics that LDA derives would make a good > > set of features for a classifier. > > >
