R/RSI_index.r

In alfcrisci/rBiometeo: Biometeorological Functions in R

#' RSI_index
#'
#' Calculates Relative Strain Index.
#'
#' @param t   numeric Air temperature in degC.
#' @param rh  numeric Relative humidity in percentage.
#' @return RSI index
#'
#'
#' @author Istituto per la Bioeconomia CNR Firenze Italy  Alfonso Crisci \email{alfonso.crisci@@ibe.cnr.it}
#' @references  Lee  DHK  &  Henschel A,1963, Evaluation  of  thermal environment  in  shelters.Rep.  TR 8,  Div.  Occup.  Health,US Dept. Health, Education and Welfare.
#' @export 
#'
#'
#'
#'

RSI_index=function(t,rh) {
                         ct$assign("t", as.array(t))
                         ct$assign("rh", as.array(rh))
                         ct$eval("var res=[]; for(var i=0, len=t.length; i < len; i++){ res[i]=RSI_index(t[i],rh[i])};")
                         res=ct$get("res")
                         return(ifelse(res==9999,NA,res))
}