\encoding{latin1}
\name{checkData}
\alias{checkData}
\title{Do some basic checks on a given data matrix}
\description{
	Check a given data matrix for consistency with the format
	required for further analysis.
	The data must be a numeric matrix and not contain:
	\itemize{
	\item Inf values
	\item NaN values
	\item Rows or columns that consist of NA only
	}
}
\usage{
checkData(data, verbose = FALSE)
}
\arguments{
	\item{data}{\code{matrix} -- Data to check.}
	\item{verbose}{\code{boolean} -- If TRUE, the function prints 
	messages whenever an error in the data set is found.}
}
\value{
	\item{isValid}{\code{boolean} -- TRUE if no errors were found, FALSE otherwise.
	isValid contains a set of attributes, these are:
	\itemize{
	\item isNumeric - TRUE if data is numeric, false otherwise
	\item isInfinite - TRUE if data contains 'Inf' values, false otherwise
	\item isNaN - TRUE if data contains 'NaN' values, false otherwise
	\item isMatrix - TRUE if the data is in matrix format, FALSE otherwise
	\item naRows - TRUE if data contains rows in which all elements are 'NA', 
	FALSE otherwise
	\item naCols - TRUE if data contains columns in which all elements are 'NA', 
	FALSE otherwise
	}}
}
\keyword{multivariate}
\author{Wolfram Stacklies \cr 
	Max Planck Institut fuer Molekulare Pflanzenphysiologie, Potsdam, Germany \cr
	\email{wolfram.stacklies@gmail.com} \cr
}