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spsurvey (version 2.0)

Spatial Survey Design and Analysis

Description

This group of functions implements algorithms required for design and analysis of probability surveys such as those utilized by the U.S. Environmental Protection Agency's Environmental Monitoring and Assessment Program (EMAP).

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Version

Install

install.packages('spsurvey')

Monthly Downloads

712

Version

2.0

License

GPL Version 2 or later

Maintainer

Tom Kincaid

Last Published

September 30th, 2025

Functions in spsurvey (2.0)

cdf.plot

Plot the CDF and Associated Confidence Limits
cont.analysis

Continuous Data Analysis for Probability Survey Data
cdf.est

Cumulative Distribution Function - Estimation
cont.cdftest

Cumulative Distribution Function Inference for Probability Survey Data
grtslin

Select GRTS Sample of a Linear Resource
adjwgt

Adjust Initial Survey Design Weights
cat.analysis

Categorical Data Analysis for Probability Survey Data
category.est

Category Proportion and Size Estimates
sp2shape

Convert an sp Package Object to an ESRI Shapefile
irspts

Select an Independent Random Sample (IRS) of a Finite Resource
grts

Generalized Random-Tessellation Stratified (GRTS) Survey Design
irslin

Select an Independent Random Sample (IRS) of a Linear Resource
grtsarea

Select GRTS Sample of an Area Resource
grtspts

Select GRTS Sample of a Finite Resource
marinus

Convert Coordinates from Latitude/Longitude to the Equidistant, Cylindric Map Projection
cont.cdfplot

Create CDF Plots from the cont.analysis Output Object
read.sas

Read SAS Datasets or a SAS XPORT (Transport) File
spsurvey-internal

Internal spsurvey Functions
total.est

Population Total, Mean, Variance, and Standard Deviation Estimates
relrisk.est

Compute the Relative Risk Estimate
read.shape

Read an ESRI Shapefile
irsarea

Select an Independent Random Sample (IRS) of an Area Resource
framesum

Summarize Frame Size for a Survey Design
read.dbf

Read the Attribute (dbf) File of an ESRI Shapefile
irs

Independent Random Sample (IRS) Survey Design
dsgnsum

Summarize the Sites Selected for a Survey Design
luck.ash

Example Polygons Dataset
cdf.test

Cumulative Distribution Function - Inference
spsurvey.analysis

Create an Object of Class spsurvey.analysis
cdf.decon

Cumulative Distribution Function - Deconvolution
eco.l3.ut

Example Polygons Dataset
write.object

Write an Object to a Plot
relrisk.analysis

Relative Risk Analysis for Probability Survey Data
albersgeod

Project Albers Projection in Plane to Spheroid