[R] how to write a loop to repetitive jobs

Ding, Yuan Chun ycding @ending from coh@org
Mon Apr 16 22:54:30 CEST 2018


Hi All..,

I need to do the following repetitive jobs:

seg71 <- read.csv("C:/Awork/geneAssociation/removed8samples/neuhausen71/seg.pr3.csv", head=T)
seg71$id <-"sn71"

seg72 <- read.csv("C:/Awork/geneAssociation/removed8samples/neuhausen72/seg.pr3.csv", head=T)
seg72$id <-"sn72"

seg73 <- read.csv("C:/Awork/geneAssociation/removed8samples/neuhausen73/seg.pr3.csv", head=T)
seg73$id <-"sn73"

seg74 <- read.csv("C:/Awork/geneAssociation/removed8samples/neuhausen74/seg.pr3.csv", head=T)
seg74$id <-"sn74"

seg75 <- read.csv("C:/Awork/geneAssociation/removed8samples/neuhausen75/seg.pr3.csv", head=T)
seg75$id <-"sn75"

seg <- rbind (seg71, seg72, seg73, seg74, seg75)

I want to write a loop to do it;

For ( d in 71:75) {
  Dir<-paste("C:/Awork/geneAssociation/removed8samples/neuhausen", i, sep="")
  setwd(Dir)
..........
then I do not know how to create objects seg71 to seg75;  in SAS, it would be  seg&d    ;

I like R, but not good at R.

Can you help me?

Thank you,

Ding


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