Re: [R] Creating dummys in R

On Nov 10, 2011, at 8:41 AM, Sarah Goslee wrote: Without having any actual idea what you mean (sample data!), this might work: sex <- c(1,0,1,0) sex1 <- c(1,1,0,0) samesex <- ifelse(sex == 1 & sex1 == 1, 1, 0) > sex & sex1 [1] TRUE FALSE FALSE FALSE > 0+(sex & sex1) [1] 1 0 0 0 Note t

Re: [R] Creating dummys in R

Re: [R] Creating dummys in R Without having any actual idea what you mean (sample data!), this might work: sex <- c(1,0,1,0) sex1 <- c(1,1,0,0) samesex <- ifelse(sex == 1 & sex1 == 1, 1, 0) Note that this does NOT return 1 if both initial variables are 0, so it isn't really a s

Re: [R] Creating dummys in R

Hi, Try ifelse function. samesex <- ifelse( sex==1 & sex1==1, yes=1, no=0) Cheers Philippe Baril Lecavalier On 2011-11-10 8:03 AM, "David ." wrote: > > Dear R-project! > > How do i create 1 dummy from 2 already existing dummys. To be more > precise, I want to create a dummy from a dummy calle

Re: [R] Creating dummys in R

Without having any actual idea what you mean (sample data!), this might work: sex <- c(1,0,1,0) sex1 <- c(1,1,0,0) samesex <- ifelse(sex == 1 & sex1 == 1, 1, 0) Note that this does NOT return 1 if both initial variables are 0, so it isn't really a samesex indicator, but it is my best guess as to

Re: [R] Creating dummys in R

Not sure what you mean by 'dummies'; do you mean 'objects'? samesex <- sex == sex1 Examples of the data would help in the formulation of an answer. On Thu, Nov 10, 2011 at 5:13 AM, David . wrote: > > Dear R-project! > > How do i create 1 dummy from 2 already existing dummys. To be more precise,

[R] Creating dummys in R

Dear R-project! How do i create 1 dummy from 2 already existing dummys. To be more precise, I want to create a dummy from a dummy called "sex" and another called "sex1" when both thoose dummys are 1 I want my created dummy "samesex" to take 1. Thanks for the help! Paulie