#' @title Calculate Root Mean Square Error
#' @description
#' Function to calculate the root mean square
#'
#' @param y is the value of your actual
#' @param y_pred is the value that your model predicted
#' @return the RMSE
#' @export
#'
RMSE <- function(y,y_pred){sqrt(mean((y-y_pred)^2))}
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