Re: [R] factor2real strange!?

From: Uwe Ligges <ligges_at_statistik.uni-dortmund.de>
Date: Tue 07 Jun 2005 - 23:59:13 EST

christian schulz wrote:

> Hi,
>
> i get factors from oracle instead real or numeric, but have problems
> to convert. Where is my mistake? I can't rember have
> this difficulties like this?
>
> many thanks,
> christian

Please look at your numbers: "9,93", this includes "," instead of the correct decimal point "." ....

Uwe Ligges

> > vsub <- subset(dm,select=c(DEBITS_POST3))
> > (vsub$DEBITS_POST3[1:4])
> [1] 9,93 0 23,82 32,72
> 7936 Levels: 0 0,53 0,65 0,73 0,76 1,02 1,03 1,16 1,25 1,28 1,31 1,38
> 1,45 1,47 1,49 1,52 1,53 1,62 1,68 1,69 1,71 1,72 1,9 10,03 ... 99,98
> > vsub$DEBITS_POST3 <-
> as.numeric(levels(vsub$DEBITS_POST3))[as.integer(vsub$DEBITS_POST3)]
> Warning message:
> NAs introduced by coercion
> > (vsub$DEBITS_POST3[1:4])
> [1] NA 0 NA NA
> > vsub <- subset(dm,select=c(DEBITS_POST3))
> > vsub$DEBITS_POST3 <-
> as.numeric(levels(vsub$DEBITS_POST3))[as.real(vsub$DEBITS_POST3)]
> Warning message:
> NAs introduced by coercion
> > (vsub$DEBITS_POST3[1:4])
> [1] NA 0 NA NA
> >
> > vsub$DEBITS_POST3 <- as.real(vsub$DEBITS_POST3)
> > vsub <- subset(dm,select=c(DEBITS_POST3))
> > vsub$DEBITS_POST3 <- as.real(vsub$DEBITS_POST3)
> >
> > (vsub$DEBITS_POST3[1:4])
> [1] 7603 1 2964 4029
> > vsub <- subset(dm,select=c(DEBITS_POST3))
> > vsub$DEBITS_POST3 <-
> as.numeric((vsub$DEBITS_POST3)[as.real(vsub$DEBITS_POST3)]
> + (vsub$DEBITS_POST3[1:4])
> + )
> Error in
> as.numeric((vsub$DEBITS_POST3)[as.real(vsub$DEBITS_POST3)](vsub$DEBITS_POST3[1:4]))
> :
> attempt to apply non-function
> > vsub$DEBITS_POST3 <-
> as.numeric(vsub$DEBITS_POST3)[as.real(vsub$DEBITS_POST3)]
> > vsub <- subset(dm,select=c(DEBITS_POST3))
> > vsub$DEBITS_POST3 <-
> as.numeric(vsub$DEBITS_POST3)[as.real(vsub$DEBITS_POST3)]
> > (vsub$DEBITS_POST3[1:4])
> [1] 1 7603 5848 917
> >
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Wed Jun 08 00:27:59 2005

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