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3 results for “from:Martin Ralphs”

Numeric vector converted mysteriously to characters in data frame?
Martin Ralphs · Mar 16, 2011 · r-help

An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20110316/598c0d26/attachment.pl>

Numeric vector converted mysteriously to characters in data frame?
Martin Ralphs · Mar 17, 2011 · r-help

Thanks Jim, It turns out that the problem was that all columns had been converted to factors.? Once I converted them back to numeric variables the code worked fine.? If anybody is wondering how, you can do this with the...

xyplot() and confidence interval polygons
Martin Ralphs · Oct 13, 2011 · r-help

Dear all, I'm trying to replicate the panel function behaviour that Deepayan and others discuss here: https://stat.ethz.ch/pipermail/r-help/2007-April/130779.html and Oscar Lamigueiro refers to here and provides sample code for: http...

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