)
dim(res1New1)<- dim(res1New)
identical(res1New1,res2)
#[1] TRUE
A.K.
- Original Message -----
From: kathleen askland
To: r-help@r-project.org
Cc:
Sent: Tuesday, July 2, 2013 4:46 PM
Subject: [R] Recoding variables based on reference values in data frame
I'm new to R (pre
Hello,
If you have read in the data as factors (stringsAsFactors = TRUE, the
default), change the function to the following.
fun <- function(x){
x[x %in% c("nc", "_")] <- NA
MM <- paste0(as.character(x[1]), as.character(x[1])) # Major Major
Mm <- paste0(as.character(x
Hello,
I'm not sure I understood, but try the following.
Kgeno <- read.table(text = "
SNP_ID SNP1 SNP2 SNP3 SNP4
Maj_Allele C G C A
Min_Allele T A T G
ID1 CC GG CT AA
ID2 CC GG CC AA
ID3 CC GGncAA
ID4 _ _ _ _
ID5 CC GG CC AA
ID6 CC GG CC
I'm new to R (previously used SAS primarily) and I have a genetics data
frame consisting of genotypes for each of 300+ subjects (ID1, ID2, ID3,
...) at 3000+ genetic locations (SNP1, SNP2, SNP3...). A small subset of
the data is shown below:
SNP_ID SNP1 SNP2 SNP3 SNP4 Maj_Allele C G C A Min_A
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