[R] histograms and for loops

[Greg Snow]

1. ?paste ?sprintf
2. ?par (look at col.axis) ?axis
3. ?pdf ?png ?dev.copy

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of wwreith
> Sent: Friday, May 06, 2011 11:11 AM
> To: r-help at r-project.org
> Subject: [R] histograms and for loops
> 
> The following code works mostly. It runs fine but...
> 
> 1. Is there a way to increment the xlab for each graph? I would like to
> have
> Graph 1, Graph 2, etc. Right now it just gives me Graph i over and over
> again.
> 
> 2. Is there a way to get the x-axis and y-axis to be bold or at least a
> darker color? Right now it is light gray.
> 
> 3. Is there a way to modify this code to automatically save them? I
> assume
> the answer is do it manually. This is not the most important.
> 
> for(i in 1:12){
> hist(zNort1[,i], freq=FALSE, xlab="Graph i", col="blue",
> main="Standardized
> Residuals Histogram", ylim=c(0,1), xlim=c(-3.0,3.0))
> zNortmin<-min(zNort1[,1])
> zNortmax<-max(zNort1[,1])
> zNortmean<-mean(zNort1[,1])
> zNortsd<-sd(zNort1[,1])
> X1<-seq(-3.0, 3.0, by=.01)
> lines(X1, dnorm(X1, zNortmean, zNortsd) , col="black")
> }
> 
> 
> --
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> and-for-loops-tp3503648p3503648.html
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> 
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