Creates a list of covariates images from a dataframe of covariates
 defined on a grid for the study area.  Images are created for
 variables contained in vector of names <code>varnames</code> and the values of the covariates are
 in the <code>covariates</code> dataframe.

create.covariate.images

Provides functions for fitting spatial models to line
        transect sampling data and to estimate abundance within a
        region.

create.covariate.images: Create a list of covariate images

Description

Usage

Arguments

Value