--- a
+++ b/man/choose_rho.Rd
@@ -0,0 +1,21 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/helper_function.R
+\name{choose_rho}
+\alias{choose_rho}
+\title{Draw error curve}
+\usage{
+choose_rho(data, n_fold, rho)
+}
+\arguments{
+\item{data}{This is a matrix.}
+
+\item{n_fold}{This parameter specifies the n number in n-fold cross_validation.}
+
+\item{rho}{This is the regularization parameter values to be evalueated in terms their errors.}
+}
+\value{
+A list of errors and their corresponding \eqn{log(rho)}.
+}
+\description{
+This function draws error curve using cross-validation.
+}