Re: [R] Repeat if

From: Birgit Lemcke <>
Date: Fri, 29 Jun 2007 13:45:35 +0200

Hello Jim,

thanks for your answer. At the moment I am using this code:

Range0<-sapply(1:85, function(i) eval(parse(text=paste("range(V", i, ", na.rm=T)", sep=""))))

and it works really fine.

The code you sent me is also fine but how can I implement, that missing values are TRUE?

Thanks a lot for your help


Am 28.06.2007 um 13:01 schrieb Jim Lemon:

> Birgit Lemcke wrote:
>> Hello,
>> (Power Book G4, Mac OS X, R 2.5.0)
>> I would like to repeat the function range for 85 Vectors (V1-V85).
>> I tried with this code:
>> i<-0
>> > repeat {
>> + i<-i+1
>> + if (i<85) next
>> + range (Vi, na.rm = TRUE)
>> + if (i==85) break
>> + }
>> I presume that the Vi is wrong, because in this syntax i is not
>> known as a variable. But I don´t know how to say that it is a
>> variable here.
>> Would be nice if somebody could help me.
>> Perhaps I´m thinking too complicated and there is an easier way to
>> do this.
> Hi Birgit,
> This may be what you want:
> for(i in 1:85)
> print("range",list("V",i,sep="")))))
> Jim

Birgit Lemcke
Institut für Systematische Botanik
Zollikerstrasse 107
CH-8008 Zürich
Ph: +41 (0)44 634 8351

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