Re: [R] For applying formula in rows

2011-07-13 Thread Berend Hasselman
Bansal, Vikas wrote: > > Dear all, > > I have a problem and it is very difficult for me to get a code. > I am reading a file(attached with this mail) using the code- > > df=read.table("summary.txt",fill=T,sep="",colClasses = > "character",header=T) > and dataframe df is like this- > > V1

Re: [R] For applying formula in rows

2011-07-12 Thread Joshua Wiley
Hi Vikas, Here is one way: df <- read.table("summary.txt", header = TRUE) str(df) df[, "total"] <- rowSums(df[, 3:6]) df[, 3:6] <- apply(df[, 3:6], 2, function(x) x / df[, "total"] * df[, "new"] * 2) > head(df) V1V2 CaseA CaseC CaseG CaseT new total 1 10 135344109 0 024

[R] For applying formula in rows

2011-07-12 Thread Bansal, Vikas
Dear all, I have a problem and it is very difficult for me to get a code. I am reading a file(attached with this mail) using the code- df=read.table("summary.txt",fill=T,sep="",colClasses = "character",header=T) and dataframe df is like this- V1V2 CaseA CaseC CaseG CaseT new 10 13