pointValues

Extract values from a Raster* object for point locations. This function adds a few options that can be useful in the context of species distribution modeling to <code><a href="/link/extract?package=dismo&version=1.3-16" data-mini-rdoc="dismo::extract">extract</a></code> function in the raster package.

spatial

Methods for species distribution modeling, that is, predicting the environmental similarity of any site to that of the locations of known occurrences of a species.

Robert Hijmans

dismo

Species Distribution Modeling

Robert J. Hijmans

Steven Phillips

John Leathwick

Jane Elith

pointValues function

<dl> <dt>x</dt>
<dd>A Raster* object</dd> <dt>p</dt>
<dd>Points. Two-colum matrix or data.frame; or a SpatialPoints* object</dd> <dt>a</dt>
<dd>Additional points (absences). Two-colum matrix or data.frame; or a SpatialPoints* object</dd> <dt>uniquecells</dt>
<dd>Logical. If <code>TRUE</code>, each cell can be included only once (i.e. 'duplicate' points are removed)</dd> <dt>na.rm</dt>
<dd>Logical. If <code>TRUE</code>, cell values of NA are not returned</dd></dl>

Arguments

Author

Extract values from a Raster* object for point locations. This function adds a few options that can be useful in the context of species distribution modeling to <code><a href='https://rdrr.io/pkg/terra/man/extract.html'>extract</a></code> function in the raster package.

point values — pointValues

<dl>

 <dt>x</dt>
<dd>A Raster* object</dd>

 <dt>p</dt>
<dd>Points. Two-colum matrix or data.frame; or a SpatialPoints* object</dd>

 <dt>a</dt>
<dd>Additional points (absences). Two-colum matrix or data.frame; or a SpatialPoints* object</dd>

 <dt>uniquecells</dt>
<dd>Logical. If <code>TRUE</code>, each cell can be included only once (i.e. 'duplicate' points are removed)</dd>

 <dt>na.rm</dt>
<dd>Logical. If <code>TRUE</code>, cell values of NA are not returned</dd>

</dl>

pointValues: point values

Description

Usage

Value

Arguments

Author

See Also