% Generated by roxygen2 (4.1.1): do not edit by hand
% Please edit documentation in R/nonparam.R
\name{spa}
\alias{spa}
\title{Estimate frequency response}
\usage{
spa(data, npad = 255)
}
\arguments{
\item{data}{an \code{idframe} object}

\item{npad}{an integer representing the total length of each time series
to analyze after padding with zeros. This argument allows the user to
control the spectral resolution of the SDF estimates: the normalized
frequency interval is deltaf=1/npad. (Default:)}
}
\description{
Estimates Frequency Response with fixed frequency resolution using
spectral analysis
}