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% Generated by roxygen2: do not edit by hand

% Please edit documentation in R/glmmTMB.R

\name{.adjustX}

\alias{.adjustX}

\title{Adjust a model matrix

When not rank deficient, do nothing.

When rank deficient matrix, drop columns.}

\usage{

.adjustX(X, tol = NULL, why_dropped = FALSE)

}

\arguments{

\item{X}{model matrix}

\item{tol}{non-negative tolerance for testing for "practically zero" singular values (passed to Matrix::rankMatrix())}

\item{why_dropped}{logical indicating whether or not to provide information about sets of collinear predictors (not yet implemented)}

}

\description{

Adjust a model matrix

When not rank deficient, do nothing.

When rank deficient matrix, drop columns.

}

\keyword{internal}