[BioC] Help with Prada Package: Installation and Run
mtmorgan at fhcrc.org
Thu Jun 7 13:16:06 CEST 2007
Taking a peak at the directory where the files are stored shows
> list.files(system.file('extdata', package='prada'))
so there are no spaces in the file name, just hyphens.
Oleg Sklyar <osklyar at ebi.ac.uk> writes:
>>> filepath <- system.file("extdata", "fas Bcl2 plate323 -04-04.A01", package
>> + "prada")
>>  ""
>>> sampdat <- readFCS(filepath)
>> Error: filename != "" is not TRUE
> You did the print for 'filepath' and it shows  "", which means that
> in readFCS you are trying to read a missing file. Thus it is reasonable
> that you get an error message which checks the condition whether the
> file name you supplied is not empty. In this case it is, thus the result
> is not TRUE. There is probably a statement in the code:
> stopifnot(filename != "") which outputds exactly what you see.
> So it probably has nothing to do with installation and rather with the
> file name supplied in this example. In fact, check the spaces in the
> file name, maybe they need to be escaped with a \ ?
> Dr Oleg Sklyar | EBI-EMBL, Cambridge CB10 1SD, UK | +44-1223-494466
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