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spsurvey (version 2.1-2)

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

693

Version

2.1-2

License

GPL (>= 2)

Maintainer

Tom Kincaid

Last Published

May 3rd, 2011

Functions in spsurvey (2.1-2)

read.shape

Read an ESRI Shapefile
spsurvey-internal

Internal spsurvey Functions
read.sas

Read SAS Datasets or a SAS XPORT (Transport) File
irsarea

Select an Independent Random Sample (IRS) of an Area Resource
write.dbf

Write a Data Frame to the Attribute (dbf) File of an ESRI Shapefile
cdf.decon

Cumulative Distribution Function - Deconvolution
marinus

Convert Coordinates from Latitude/Longitude to the Equidistant, Cylindric Map Projection
category.est

Category Proportion and Size Estimates
geodalbers

Project Latitude and Longitude (Spheroid) to Albers Projection in Plane
adjwgt

Adjust Initial Survey Design Weights
irslin

Select an Independent Random Sample (IRS) of a Linear Resource
relrisk.est

Compute the Relative Risk Estimate
irspts

Select an Independent Random Sample (IRS) of a Finite Resource
write.object

Write an Object to a Plot
cdf.test

Cumulative Distribution Function - Inference
cdf.est

Cumulative Distribution Function - Estimation
spsurvey.analysis

Create an Object of Class spsurvey.analysis
framesum

Summarize Frame Size for a Survey Design
grts

Generalized Random-Tessellation Stratified (GRTS) Survey Design
read.dbf

Read the Attribute (dbf) File of an ESRI Shapefile
luck.ash

Example Polylines Dataset
dsgnsum

Summarize the Sites Selected for a Survey Design
cont.cdftest

Cumulative Distribution Function Inference for Probability Survey Data
cat.analysis

Categorical Data Analysis for Probability Survey Data
cont.cdfplot

Create CDF Plots from the cont.analysis Output Object
grtslin

Select GRTS Sample of a Linear Resource
grtspts

Select GRTS Sample of a Finite Resource
albersgeod

Project Albers Projection in Plane to Latitude and Longitude (Spheroid)
cdf.plot

Plot the CDF and Associated Confidence Limits
grtsarea

Select GRTS Sample of an Area Resource
relrisk.analysis

Relative Risk Analysis for Probability Survey Data
sp2shape

Convert an sp Package Object to an ESRI Shapefile
cont.analysis

Continuous Data Analysis for Probability Survey Data
irs

Independent Random Sample (IRS) Survey Design
eco.l3.ut

Example Polygons Dataset
total.est

Population Total, Mean, Variance, and Standard Deviation Estimates