[R] CSV value not being read as it appears

Philipp Pagel p.pagel at wzw.tum.de
Fri Jan 14 15:39:17 CET 2011

On Fri, Jan 14, 2011 at 07:58:07PM +1000, bgreen at dyson.brisnet.org.au wrote:
> Thanks for your e-mail. The data was a report derived from a statewide
> database, saved in EXCEL format, so the usual issue of the vagaries of
> human data entry variation wasn't the issue as the data was an automated
> report, which is run every three months.

If this problem occurs with computer generated data, it may also be
worthwhile to talk to whoever is in charge of that reporting system
and hope to get the bug fixed.

And just to add one of my favorite inital checks: I always double
check if the number of levels of each factor in my data.frame seems to
make sense.


Dr. Philipp Pagel
Lehrstuhl für Genomorientierte Bioinformatik
Technische Universität München
Wissenschaftszentrum Weihenstephan
Maximus-von-Imhof-Forum 3
85354 Freising, Germany

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