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organofcorti

distribution of means

Feb 29th, 2012
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R 0.74 KB | None | 0 0
  1. library(actuar)
  2. library(bigmemory)
  3. mat.length<-10^6
  4. mat1<-matrix(0, mat.length,4)
  5. write.csv(mat1,"maged.answer1.csv")
  6. r.mat<-read.big.matrix("maged.answer1.csv",type="double",
  7. header=F, backingfile="maged.answer1.bin",descriptorfile="maged.answer1.desc")
  8. r.mat<-r.mat[,-1];r.mat<-r.mat[-1,]
  9. colnames(r.mat)<-c('loop#','rlnorm','rllogis','rgamma')
  10. for(i in 1: mat.length){
  11.     r.mat[i,1]<-i
  12.     r.mat[i,2]<-mean(rlnorm(330,-0.0627,0.4085))
  13.     r.mat[i,3]<-mean(rllogis(330,4.3110,1.0653))
  14.     r.mat[i,4]<-mean(rgamma(330,6.080,5.949))
  15.     print(i)
  16. }
  17.  
  18. length(subset(r.mat$rlnorm,r.mat$rlnorm<=1))/length(r.mat$rlnorm)
  19. length(subset(r.mat$rllogis,r.mat$rllogis <=1))/length(r.mat$rllogis)
  20. length(subset(r.mat$rgamma,r.mat$rgamma <=1))/length(r.mat$rgamma)
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