Run function several times changing only one argument - without a loop

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Hi Marion,

is all you want the white vertical lines? Then try

abline(v = seq(10, 90, by = 10), col = "white")

instead of your axis commands.

Regards,
Enrico

Am 20.02.2012 11:04, schrieb Marion Wenty:
Dear people,

I created a plot which looks like this:

Ee1<-matrix(c(88,86,74,62,41),ncol=5)
colnames(Ee1)<-c("Lehrer","Lehrerinnen","Klassenkollegen","Klassenkolleginnen","Geschwister")
par(las=1)
par(mar=c(5,13,4,2))
barplot(Ee1,horiz=T,col="grey85",border="NA",xlim=c(0,100),axes=F)
axis(2,pos=10, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=20, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=30, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=40, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=50, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=60, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=70, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=80, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=90, tick=T, tcl=F, labels=F,col="white")

Now I would like to shorten the whole thing - namely use only one step to
create the 9 axes without having to use a loop.

In general, I would be interested if there is a way to use a function
several times changing only one argument, without having to use a loop.

Does anyone know how to do that.

Marion

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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

Enrico Schumann
Lucerne, Switzerland
http://nmof.net/
Hi Marion,
you can either use any of the *apply-functions or vectorize your
function (which internally uses mapply):

par(las=1)
par(mar=c(5,13,4,2))
barplot(Ee1,horiz=T,col="grey85",border="NA",xlim=c(0,100),axes=F)

#using sapply
invisible(sapply((1:9)*10,function(x)axis(2,pos=x,tick=T, tcl=F,
labels=F,col="white")))

#using Vectorize
barplot(Ee1,horiz=T,col="grey85",border="NA",xlim=c(0,100),axes=F)
vaxis<-Vectorize(axis,"pos")
invisible(vaxis(2,pos=(1:9)*10, tick=T, tcl=F, labels=F,col="white"))

Cheers!

Am 20.02.2012 11:04, schrieb Marion Wenty:
Dear people,

I created a plot which looks like this:

Ee1<-matrix(c(88,86,74,62,41),ncol=5)
colnames(Ee1)<-c("Lehrer","Lehrerinnen","Klassenkollegen","Klassenkolleginnen","Geschwister")
par(las=1)
par(mar=c(5,13,4,2))
barplot(Ee1,horiz=T,col="grey85",border="NA",xlim=c(0,100),axes=F)
axis(2,pos=10, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=20, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=30, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=40, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=50, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=60, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=70, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=80, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=90, tick=T, tcl=F, labels=F,col="white")

Now I would like to shorten the whole thing - namely use only one step to
create the 9 axes without having to use a loop.

In general, I would be interested if there is a way to use a function
several times changing only one argument, without having to use a loop.

Does anyone know how to do that.

Marion

	[[alternative HTML version deleted]]

______________________________________________
R-help at r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

Eik Vettorazzi
Institut f?r Medizinische Biometrie und Epidemiologie
Universit?tsklinikum Hamburg-Eppendorf

Martinistr. 52
20246 Hamburg

T ++49/40/7410-58243
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Dear people,

I created a plot which looks like this:

Ee1<-matrix(c(88,86,74,62,41),ncol=5)
colnames(Ee1)<- 
c 
("Lehrer 
","Lehrerinnen","Klassenkollegen","Klassenkolleginnen","Geschwister")
par(las=1)
par(mar=c(5,13,4,2))
barplot(Ee1,horiz=T,col="grey85",border="NA",xlim=c(0,100),axes=F)
axis(2,pos=10, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=20, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=30, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=40, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=50, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=60, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=70, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=80, tick=T, tcl=F, labels=F,col="white")
axis(2,pos=90, tick=T, tcl=F, labels=F,col="white")

Now I would like to shorten the whole thing - namely use only one  
step to
create the 9 axes without having to use a loop.
See if grid() is helpful:

barplot(Ee1,horiz=T,col="grey85",border="NA",xlim=c(0,100),axes=F)
grid(nx=9, ny=NA, col="white")

Somehow using axis to draw elements inside a graph seems "wrong",  
especially when you are using it for what is basically  side-effect as  
you have been attempting. Could also have used abline which accepts a  
vector for its v argument.

 > barplot(Ee1,horiz=T,col="grey85",border="NA",xlim=c(0,100),axes=F)
 > abline(v=seq(10,90,by=10), col="white")
In general, I would be interested if there is a way to use a function
several times changing only one argument, without having to use a  
loop.
A large number of functions will offer that facility using seq() as  
the functional input argument.
Does anyone know how to do that.

Marion

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You might consider working in the settings for your mail client. I  
know that gmail offers that option.
David Winsemius, MD
West Hartford, CT