how to change gender factor into an numerical coding in r

r factor-analysis
Saraya picture Saraya · Oct 11, 2013 · Viewed 13.4k times · Source

I have a factor of males and females say c("male", "female","female") and I want to create a vector of c(0,1,1) How can i change that in r?

Answer

droopy picture droopy · Oct 11, 2013

With boolean :

a <- c("male", "female","female")
(a=="female")*1

hth

Related questions

factor analysis using R

Im trying to do a factor analysis using R with varimax rotation, but not successful. I run the same exact data on SAS and can get result. in R, if I use fa(r=cor(m1), nfactors=8, fm="ml", rotate="…

Read More
Venn diagram from list of clusters and co-occurring factors

I've got an input file with a list of ~50000 clusters and presence of a number of factors in each of them (~10 million entries in total), see a smaller example below: set.seed(1) x = paste("cluster-",sample(c(1:100),500,replace=TRUE),sep="") …

Read More
Remove rows with all or some NAs (missing values) in data.frame

I'd like to remove the lines in this data frame that: a) contain NAs across all columns. Below is my example data frame. gene hsap mmul mmus rnor cfam 1 ENSG00000208234 0 NA NA NA NA 2 ENSG00000199674 0 2 2 2 2 3 ENSG00000221622 0 NA NA NA NA 4 …

Read More