# Spatial Sampling Design and Analysis

## Documentation for package ‘spsurvey’ version 5.3.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

spsurvey-package | spsurvey: Spatial Sampling Design and Analysis
adjwgt | Adjust survey design weights by categories
ash1_wgt | Compute the average shifted histogram (ASH) for one-dimensional weighted data
attrisk_analysis | Attributable risk analysis
cat_analysis | Categorical variable analysis
cdf_plot | Plot a cumulative distribution function (CDF)
change_analysis | Change analysis
cont_analysis | Continuous variable analysis
cont_cdfplot | Create a PDF file containing cumulative distribution functions (CDF) plots
cont_cdftest | Cumulative distribution function (CDF) inference for a probability survey
cov_panel_dsgn | Create a covariance matrix for a panel design
diffrisk_analysis | Risk difference analysis
errorprnt | Print errors from analysis functions
grts | Select a generalized random tessellation stratified (GRTS) sample
Illinois_River | Illinois River data
Illinois_River_Legacy | Illinois River legacy data
irs | Select an independent random sample (IRS)
Lake_Ontario | Lake Ontario data
localmean_cov | Internal Function: Variance-Covariance Matrix Based on Local Mean Estimator
localmean_var | Internal Function: Local Mean Variance Estimator
localmean_weight | Internal Function: Local Mean Variance Neighbors and Weights
NE_Lakes | New England Lakes data
NE_Lakes_df | New England Lakes data (as a data frame)
NE_Lakes_Legacy | New England Lakes legacy data
NLA_PNW | NLA PNW data
NRSA_EPA7 | NRSA EPA7 data
pd_summary | Summary characteristics of a panel revisit design
power_dsgn | Power calculation for multiple panel designs
ppd_plot | Plot power curves for panel designs
relrisk_analysis | Relative risk analysis
revisit_bibd | Create a balanced incomplete block panel revisit design
revisit_dsgn | Create a panel revisit design
revisit_rand | Create a revisit design with random assignment to panels and time periods
spsurvey | spsurvey: Spatial Sampling Design and Analysis
sp_balance | Calculate spatial balance metrics
sp_plot | Plot sampling frames, design sites, and analysis data.
sp_plot.default | Plot sampling frames, design sites, and analysis data.
sp_plot.spdesign | Plot sampling frames, design sites, and analysis data.
sp_rbind | Combine rows from GRTS or IRS samples.
sp_summary | Summarize sampling frames, design sites, and analysis data.
sp_summary.default | Summarize sampling frames, design sites, and analysis data.
sp_summary.spdesign | Summarize sampling frames, design sites, and analysis data.
stopprnt | Print grts() and irs() errors.
trend_analysis | Trend analysis
warnprnt | Print grts(), irs()), and analysis function warnings