ourMELONS/R/testaaPop.R
2020-07-28 10:39:07 +02:00

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#' @title Test population
#' @description Test a line in the population
#' @param rivi Line
#' @return pal = 1 if the line starts with one of the following
# letter combinations: Pop, pop, POP. In all others cases, pal = 0
#' @export
testaaPop <- function(rivi) {
# pal=1, mik<69>li rivi alkaa jollain seuraavista
# kirjainyhdistelmist? Pop, pop, POP. Kaikissa muissa
# tapauksissa pal=0.
if (nchar(rivi) < 3) {
pal <- 0
} else {
rivi_start <- substring(rivi, 1, 3)
pal <- ifelse(rivi_start %in% c('Pop', 'pop', 'POP'), 1, 0)
}
return(pal)
}