Full_Name: Bill Simpson
Version: 65.1
OS: linux
Submission from: (NULL) (193.62.250.209)
Try this code as separate lines entered interactively, then try doit()
doit<-function()
{
x<-seq(1,10)
y1<-x+rnorm(10,1,1.5)
y2<-x+rnorm(10,1,1)
t.test(x,y1,paired=TRUE)
t.test(x,y2,paired=TRUE)
}
doit() apparently executes only the last of a series of t.test()s.
Maybe this is no bug, but I can't see why this behaviour is shown.
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On Mon, 13 Dec 1999 wsi@gcal.ac.uk wrote:> Full_Name: Bill Simpson > Version: 65.1 > OS: linux > Submission from: (NULL) (193.62.250.209) > > > Try this code as separate lines entered interactively, then try doit() > > doit<-function() > { > x<-seq(1,10) > y1<-x+rnorm(10,1,1.5) > y2<-x+rnorm(10,1,1) > t.test(x,y1,paired=TRUE) > t.test(x,y2,paired=TRUE) > } > > doit() apparently executes only the last of a series of t.test()s. > > Maybe this is no bug, but I can't see why this behaviour is shown.You need to print the answer: the last is printed by auto-printing. More generally, if you want something printed in a function, you need to print it explicitly. This applies to braced expressions too, so { x<-seq(1,10) y1<-x+rnorm(10,1,1.5) y2<-x+rnorm(10,1,1) t.test(x,y1,paired=TRUE) t.test(x,y2,paired=TRUE) } shows the effect. -- Brian D. Ripley, ripley@stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-devel-request@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
>>>>> wsi writes:> Full_Name: Bill Simpson > Version: 65.1 > OS: linux > Submission from: (NULL) (193.62.250.209)> Try this code as separate lines entered interactively, then try doit()> doit<-function() > { > x<-seq(1,10) > y1<-x+rnorm(10,1,1.5) > y2<-x+rnorm(10,1,1) > t.test(x,y1,paired=TRUE) > t.test(x,y2,paired=TRUE) > }> doit() apparently executes only the last of a series of t.test()s.> Maybe this is no bug, but I can't see why this behaviour is shown.What happens inside a function is not printed unless you ask for it. You probably want something like doit<-function() { x<-seq(1,10) y1<-x+rnorm(10,1,1.5) y2<-x+rnorm(10,1,1) print(t.test(x,y1,paired=TRUE)) print(t.test(x,y2,paired=TRUE)) } instead. -k -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-devel-request@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
Thanks for the help, sory for the false alarm. Bill -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-devel-request@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._