R Explained for Excel Users: What is a Directory?
#create a vector x
x<-c(1,2,3)
#write file x.txt
write.table(x,"x.txt")
#where was that file saved?
getwd()
#i want it to go somehwere else
setwd("C:/RIsFun/")
#i want to override the directory this one time
write.table(x,"C:/ExcelIsMoreFun/x.txt")