HI Eliza,
I tried the function, on this example dataset in linux system.
res<-list(read.table(text="
month 2005 2006 2008 2009
1 1.7360776 0.8095275 1.6369044 0.8195241
2 0.6962079 3.8510720 0.4319758 2.3304495
3 1.0423625 2.7687266 0.2904245 0.7015527
4 2.4158326 1.2315324 1.4287387 1.5701019
",sep="",header=TRUE),read.table(text="
month 2008 2009 2010
1 1.4737028 2.314878 2.672661
2 1.6700918 2.609722 2.112421
3 3.2387775 7.305766 6.939536
4 6.7063592 18.745256 13.278218
",sep="",header=TRUE),read.table(text="
month 2004
1 1.34448
2 1.86889
3 1.43422
4 4.33444
",sep="",header=TRUE))
res<-lapply(res,function(x) {names(x)<-gsub("X","",names(x));x})
names(res)<-c("EE","WW","HH")
names1<-names(res)
b<-lapply(res,function(x) {if(is.data.frame(x[,-1])) rowMeans(x[,-1]) else
x[,-1]})
mypath<-file.path("/home/arun/Trial1",paste("myplot_",names1,".jpg",sep=""))
#change the file.path
for(i in seq_along(mypath)){
lapply(seq_along(res),function(i) {
jpeg(file=mypath[i])
matplot(res[[i]][,-1],type="l",col="grey")
lines(b[[i]],lwd=2,col="black")
dev.off()
})
}
A.K.
----- Original Message -----
From: eliza botto <eliza_bo...@hotmail.com>
To: "r-help@r-project.org" <r-help@r-project.org>
Cc:
Sent: Monday, December 24, 2012 11:34 AM
Subject: [R] whats wrong in my codes???
Dear R family,i am trying to plot and save, simultaneously, about 1000. the
name of each plot is contained in "names" file. when i run this loop, i get an
error.
"Error in plot.new() : Unable to open file 'C:/R/SAVEHERE/myplot_Tak.jpg' for
writing". could you please correct the mistake in the loop?
>names<-(names(sp))
>for(a in seq_along(names)){
>mypath <- file.path("C:","R","SAVEHERE",paste("myplot_", names[a], ".jpg",sep
>= ""))
>jpeg(file=mypath)
>for (i in seq(1)){
>b<-lapply(res,function(x) {if(is.data.frame(x[,-1])) rowMeans(x[,-1]) else
>mean(x[,-1])})
>lapply(seq_along(res), fun)
>fun <- function(i){
>matplot(res[[i]][,-1], type="l",col="grey")
>lines(b[[i]], lwd = 2, col = "black")
>}}
>dev.off()
>}
thanks in advance
eliza
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and provide commented, minimal, self-contained, reproducible code.
