Try this:
result <- lapply(71:75, function(x){
# use 'paste0' to add the number to the file name
input <-
read.csv(paste0("C:/Awork/geneAssociation/removed8samples/neuhausen",
x,
"/seg.pr3.csv")
, head=TRUE
)
Hi!
An alternative with 'assign':
for ( i in 71:75) {
setwd(paste("C:/Awork/geneAssociation/removed8samples/neuhausen", i,
sep=""))
temp.df<-read.csv("seg.pr3.csv", head=T)
temp.df$id<-paste0("sn",i,sep="")
assign(paste0("seg",i,sep=""),temp.df)
}
rm(temp.df,i) # Clean up
HTH,
Kimmo
Hello Ding,
try this:
seg <- list()
for ( d in 71:75) {
s <- paste0("seg",d)
sn <- paste0("sn",d)
Dir<-paste("C:/Awork/geneAssociation/removed8samples/neuhausen", i, sep="")
setwd(Dir)
seg[[s]] <- read.csv("seg.pr3.csv", head=T)
seg[[s]]$id <- sn
}
Greetings,
Albrecht
--
Hi Rui,
Thank you very much!! It worked very well, I am looking into how to use
lapply and do.call.
Ding
-Original Message-
From: Rui Barradas [mailto:ruipbarra...@sapo.pt]
Sent: Monday, April 16, 2018 2:16 PM
To: Ding, Yuan Chun; r-help@r-project.org
Subject: Re: [R] how to write a
Hello,
The following might do it. Without data it's untested.
wd <- function(i){
paste0("C:/Awork/geneAssociation/removed8samples/neuhausen7", i,
"/seg.pr3.csv")
}
seg <- lapply(1:5, function(i) {
DF <-read.csv(wd(i))
DF$id <- paste0("sn7", i)
DF
})
seg <- do.call(rbind,
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