[R] help with if statement with two conditions

Patrick (Malone Quantitative) m@|one @end|ng |rom m@|onequ@nt|t@t|ve@com
Mon Dec 23 21:49:03 CET 2019


What does the error message say?

On Mon, Dec 23, 2019, 3:33 PM Steinmann, Kimberly using CDPR <
Kimberly.Steinmann using cdpr.ca.gov> wrote:

> Hi - i am not super familiar with R, but need to modify my predecessor's R
> code so that if a variable is >0 and < 0.5, it will be replaced with <1. I
> have looked at a bunch of forum threads on the subject, but cannot seem to
> get anything to work Any help at what i might be doing wrong much
> appreciated. I am definitely an R newbie!
>
> current code that works:
>       v_lbs_list <- ""
>       for (j in 2:(p_num_years+1)) {
>          if (is.na(v_trends_lbs[i, j])) {
>             v_lbs <- ' 0 '
>          } else if (v_trends_lbs[i, j] < 0.5) {
>             v_lbs <- ' $<$1 '
>          } else {
>             v_lbs <- format(round(v_trends_lbs[i, j]), big.mark=",",
> scientific=FALSE)
>          }
>          v_lbs_list <- paste(v_lbs_list, ' & ', v_lbs)
>       }
>
> my attempt to add a >0 that gets an error  pointing at the & sign:
>       v_lbs_list <- ""
>       for (j in 2:(p_num_years+1)) {
>          if (is.na(v_trends_lbs[i, j])) {
>             v_lbs <- ' 0 '
>          } else if (v_trends_lbs[i, j] < 0.5) & (v_trends_lbs[i, j] > 0) {
>             v_lbs <- ' $<$1 '
>          } else {
>             v_lbs <- format(round(v_trends_lbs[i, j]), big.mark=",",
> scientific=FALSE)
>          }
>          v_lbs_list <- paste(v_lbs_list, ' & ', v_lbs)
>       }
>
> Thanks for any help!
>
>
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