% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/data_io.R
\name{read_close_series}
\alias{read_close_series}
\title{Read a close-price series from a CSV file.}
\usage{
read_close_series(file, close_col = "close")
}
\arguments{
\item{file}{Path to the CSV file.}

\item{close_col}{Name of the close-price column (default \code{"close"}).}
}
\value{
A numeric vector of finite close prices (length >= 10).
}
\description{
The function is case-insensitive: it accepts \code{close}, \code{Close},
\code{CLOSE}, or any capitalisation.  The first matching column is used.
}
