R Under development (unstable) (2024-01-14 r85805 ucrt) -- "Unsuffered Consequences"
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> library(ctl)
Loading required package: MASS
Loading required package: parallel
Loading required package: qtl
> data(ath.metabolites)
> ctl_result <- CTLscan(ath.metab$genotypes, ath.metab$phenotypes, nperm=150)
Warning message:
In CTLscan(ath.metab$genotypes, ath.metab$phenotypes, nperm = 150) :
  argument 'phenotypes' is not a matrix, converting to numeric matrix using apply
> 
> jpeg("pxmmatrix.jpg", w=1024, h=768)
>   image(ctl_result,grid.col="white")
> dev.off()
null device 
          1 
> 
> jpeg("pxpmatrix.jpg", w=1024, h=768)
>   image(ctl_result,grid.col="white",against="phenotypes")
> dev.off()
null device 
          1 
> 
> for(x in 1:3){
+   jpeg(paste("phenotype",x,".jpg",sep=""), w=1024, h=768)
+   plot(ctl_result[[1]])  
+   dev.off()
+ }
> 
> proc.time()
   user  system elapsed 
   4.54    0.21    4.78