shape2spList

A single record from the .shp file of the shapefile.

shape

The type of shapefile, which is either "arc" for a Polyline
shapefile or "poly" for a Polygon shapefile.

shp.type

The shape ID value, i.e., the shapefile record number.

This function creates an object of class Lines for a Polyline shapefile or
class Polygons for a Polygon shapefile.

These functions provide procedures for selecting sites for spatial
surveys using spatially balanced algorithms applied to discrete points,
linear networks, or polygons. The probability survey designs available
include independent random samples, stratified random samples, and unequal
probability random samples (categorical or probability proportional to
size). Design-based estimation based on the results from surveys is
available for estimating totals, means, quantiles, CDFs, and linear models.
The analyses rely on package survey for most results. Variance estimation
options include a local neighborhood variance estimator that is appropriate
for spatially-balanced survey designs. A reference for the survey design
portion of the package is: D. L. Stevens, Jr. and A. R. Olsen (2004),
"Spatially-balanced sampling of natural resources.", Journal of the American
Statistical Association 99(465): 262-278, <DOI:10.1198/016214504000000250>.
Additional helpful references for this package are A. R. Olsen, T. M.
Kincaid, and Q. Payton (2012) and T. M. Kincaid and A. R. Olsen (2012), both
of which are chapters in the book "Design and Analysis of Long-Term
Ecological Monitoring Studies" (R. A. Gitzen, J. J. Millspaugh, A. B.
Cooper, and D. S. Licht (eds.), Cambridge University Press, New York,
<Online ISBN:9781139022422>).

Tom Kincaid

spsurvey

Spatial Survey Design and Analysis

Tony Olsen

Don Stevens

Christian Platt

Denis White

Richard Remington

shape2spList function

<dl class="dl-horizontal">
 <dt><code><a rd-options="" href="/link/Line?package=spsurvey&version=4.0.0" data-mini-rdoc="spsurvey::Line">Line</a></code></dt><dd>sp package function to create an object of
 class Line</dd>
 <dt><code><a rd-options="" href="/link/Lines?package=spsurvey&version=4.0.0" data-mini-rdoc="spsurvey::Lines">Lines</a></code></dt><dd>sp package function to create an object of
 class Lines</dd>
 <dt><code><a rd-options="" href="/link/Polygon?package=spsurvey&version=4.0.0" data-mini-rdoc="spsurvey::Polygon">Polygon</a></code></dt><dd>sp package function to create an object of
 class Polygon</dd>
 <dt><code><a rd-options="" href="/link/Polygons?package=spsurvey&version=4.0.0" data-mini-rdoc="spsurvey::Polygons">Polygons</a></code></dt><dd>sp package function to create an object of
 class Polygons</dd>
 </dl>

shape2spList: Internal Function: Create Object of Class Lines or Class Polygons

Description

Usage

Arguments

Value

Other Functions Required