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#' Calculates Cramer's V
#'
#' @param chi A number equal to the Chi-Squared statistic
#' @param r A number equal to the number of rows
#' @param c A number equal to the number of columns
#' @param n A number equal to the sample size
#' @return The Cramer's V statistic, a number between 0 and 1.
#' @description Calculates Cramer's V, a measure of association to gauge the strength of the relationship between two nominal-level variables.
#' A score of 0 indicates no relationship; a score of 1 indicates a perfect relationship.
#' @examples
#' CramersV(84.18, 2, 2, 1315)
#'
#' CramersV(chi=84.18, r=2, c=2, n=1315)
#' @export
#'
CramersV = function(chi, r, c, n)
{
r1 = r-1
c1 = c-1
minr1c1 = min(r1, c1)
denom = n * minr1c1
V = sqrt(chi/denom)
return(V)
}
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