search for: mhc_

...new[reoffend$pre07| reoffend$pre08 | reoffend$pre09 | reoffend$pre10 |reoffend$pre11 | reoffend$pre12 | reoffend$pre13 | reoffend$pre14 |reoffend$pre15 | reoffend$pre16<= 0 ] <- 'O' > Secondly, once this is resolved I was hoping to change the prefix "pre_)" to "mhc_", repeat this code and join the pre_ and mhc_ variables - so the new variable would have values such as 'VO" or 'NV' etc. I was hoping something like : total <- c(pre_ , mhc_) would do this or am I misguided. Any assistance is much appreciated, Bob Green