mirror of
https://github.com/agdamsbo/daDoctoR.git
synced 2024-11-22 03:40:23 +01:00
26 lines
665 B
R
26 lines
665 B
R
#' CPR check
|
|
#'
|
|
#' Checking validity of cpr number
|
|
#' @param x cpr as "ddmmyy-xxxx".
|
|
#' @keywords cpr
|
|
#' @export
|
|
#' @examples
|
|
#' cpr_check()
|
|
|
|
cpr_check<-function(x){
|
|
#Check validity of CPR number, format ddmmyy-xxxx
|
|
|
|
p1<-as.integer(substr(x,1,1))
|
|
p2<-as.integer(substr(x,2,2))
|
|
p3<-as.integer(substr(x,3,3))
|
|
p4<-as.integer(substr(x,4,4))
|
|
p5<-as.integer(substr(x,5,5))
|
|
p6<-as.integer(substr(x,6,6))
|
|
p7<-as.integer(substr(x,8,8))
|
|
p8<-as.integer(substr(x,9,9))
|
|
p9<-as.integer(substr(x,10,10))
|
|
p10<-as.integer(substr(x,11,11))
|
|
|
|
result<-ifelse((p1*4+p2*3+p3*2+p4*7+p5*6+p6*5+p7*4+p8*3+p9*2+p10) %% 11 == 0,"valid","invalid")
|
|
return(result)
|
|
} |