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EnvStats (version 2.1.1)

Package for Environmental Statistics, Including US EPA Guidance

Description

Graphical and statistical analyses of environmental data, with focus on analyzing chemical concentrations and physical parameters, usually in the context of mandated environmental monitoring. Major environmental statistical methods found in the literature and regulatory guidance documents, with extensive help that explains what these methods do, how to use them, and where to find them in the literature. Numerous built-in data sets from regulatory guidance documents and environmental statistics literature. Includes scripts reproducing analyses presented in the book "EnvStats: An R Package for Environmental Statistics" (Millard, 2013, Springer).

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Version

Install

install.packages('EnvStats')

Monthly Downloads

22,959

Version

2.1.1

License

GPL (>= 3)

Maintainer

Steven Millard

Last Published

June 14th, 2016

Functions in EnvStats (2.1.1)

cdfCompare

Plot Two Cumulative Distribution Functions
calibrate

Fit a Calibration Line or Curve
cdfCompareCensored

Plot Two Cumulative Distribution Functions Based on Censored Data
aovN

Compute Sample Size Necessary to Achieve Specified Power for One-Way Fixed-Effects Analysis of Variance
boxcoxLm.object

S3 Class "boxcoxLm"
Benthic.df

Benthic Data from Monitoring Program in Chesapeake Bay
ciNormN

Sample Size for Specified Half-Width of Confidence Interval for Normal Distribution Mean or Difference Between Two Means
ACE.13.TCE.df

Trichloroethylene Concentrations Before and After Remedation
ciNparConfLevel

Compute Confidence Level Associated with a Nonparametric Confidence Interval for a Quantile
anovaPE

Compute Lack-of-Fit and Pure Error Anova Table for a Linear Model
ciNparN

Sample Size for Nonparametric Confidence Interval for a Quantile
EPA.02d.Ex.4.mg.per.kg.vec

Concentrations in Exhibit 4 of 2002d USEPA Guidance Document
ciTableProp

Table of Confidence Intervals for Proportion or Difference Between Two Proportions
Environmental

Atmospheric Environmental Conditions in New York City
EPA.02d.Ex.6.mg.per.kg.vec

Concentrations in Exhibit 6 of 2002d USEPA Guidance Document
detectionLimitCalibrate

Determine Detection Limit
EnvStats-package

Package for Environmental Statistics, Including US EPA Guidance
EPA.02d.Ex.2.ug.per.L.vec

Concentrations in Exhibit 2 of 2002d USEPA Guidance Document
Distribution.df

Data Frame Summarizing Available Probability Distributions and Estimation Methods
elnormCensored

Estimate Parameters for a Lognormal Distribution (Log-Scale) Based on Type I Censored Data
EPA.09.Ex.13.1.iron.df

Iron Concentrations from Example 13-1 of 2009 USEPA Guidance Document
EPA.09.Ex.12.4.naphthalene.df

Naphthalene Concentrations from Example 12-4 of 2009 USEPA Guidance Document
EPA.09.Ex.22.1.VC.df

Vinyl Chloride Concentrations from Example 22-1 of 2009 USEPA Guidance Document
EPA.09.Ex.16.2.benzene.df

Benzene Concentrations from Example 16-2 of 2009 USEPA Guidance Document
EPA.09.Ex.16.4.copper.df

Copper Concentrations from Example 16-4 of 2009 USEPA Guidance Document
EPA.09.Ex.22.2.Specific.Conductance.df

Specific Conductance from Example 22-2 of 2009 USEPA Guidance Document
EPA.09.Ex.10.1.nickel.df

Nickel Concentrations from Example 10-1 of 2009 USEPA Guidance Document
EPA.02d.Ex.9.mg.per.L.vec

Concentrations in Exhibit 9 of 2002d USEPA Guidance Document
EPA.09.Ex.16.5.PCE.df

Tetrachloroethylene Concentrations from Example 16-5 of 2009 USEPA Guidance Document
EPA.09.Ex.17.1.loglead.df

Log-transformed Lead Concentrations from Example 17-1 of 2009 USEPA Guidance Document
EPA.09.Ex.17.5.chloride.df

Chloride Concentrations from Example 17-5 of 2009 USEPA Guidance Document
EPA.09.Ex.17.2.toluene.df

Toluene Concentrations from Example 17-2 of 2009 USEPA Guidance Document
EPA.09.Ex.17.6.sulfate.df

Sulfate Concentrations from Example 17-6 of 2009 USEPA Guidance Document
EPA.09.Ex.17.7.sodium.df

Sodium Concentrations from Example 17-7 of 2009 USEPA Guidance Document
EPA.09.Ex.17.3.chrysene.df

Chrysene Concentrations from Example 17-3 of 2009 USEPA Guidance Document
EPA.09.Ex.18.1.arsenic.df

Arsenic Concentrations from Example 18-1 of 2009 USEPA Guidance Document
EPA.09.Ex.21.6.nitrate.df

Nitrate Concentrations from Example 21-6 of 2009 USEPA Guidance Document
EPA.09.Ex.21.7.TCE.df

Trichloroethylene Concentrations from Example 21-7 of 2009 USEPA Guidance Document
EPA.89b.t29.df

T-29 Concentrations from 1989 USEPA Guidance Document
EPA.89b.toc.vec

Total Organic Carbon Concentrations from 1989 USEPA Guidance Document
EPA.92d.chromium.df

Chromium Concentrations from 1992 USEPA Guidance Document
EPA.92c.toluene.df

Toluene Concentrations from 1992 USEPA Guidance Document
EPA.92c.zinc.df

Zinc Concentrations from 1992 USEPA Guidance Document
EPA.92d.chromium.vec

Chromium Concentrations from 1992 USEPA Guidance Document
EPA.09.Ex.20.1.nickel.df

Nickel Concentrations from Example 20-1 of 2009 USEPA Guidance Document
EPA.09.Ex.21.1.aldicarb.df

Aldicarb Concentrations from Example 21-1 of 2009 USEPA Guidance Document
EPA.89b.aldicarb2.df

Aldicarb Concentrations from 1989 USEPA Guidance Document
EPA.89b.benzene.df

Benzene Concentrations from 1989 USEPA Guidance Document
EPA.89b.lead.df

Lead Concentrations from 1989 USEPA Guidance Document
EPA.89b.loglead.df

Log-transformed Lead Concentrations from 1989 USEPA Guidance Document
EPA.09.Ex.14.4.arsenic.df

Arsenic Concentrations from Example 14-4 of 2009 USEPA Guidance Document
EPA.09.Ex.14.8.df

Analyte Concentrations from Example 14-8 of 2009 USEPA Guidance Document
EPA.09.Ex.19.2.chloride.df

Chloride Concentrations from Example 19-2 of 2009 USEPA Guidance Document
EPA.09.Ex.16.1.sulfate.df

Sulfate Concentrations from Example 16-1 of 2009 USEPA Guidance Document
EPA.09.Ex.15.1.manganese.df

Manganese Concentrations from Example 15-1 of 2009 USEPA Guidance Document
EPA.09.Ex.19.5.mercury.df

Mercury Concentrations from Example 19-5 of 2009 USEPA Guidance Document
EPA.09.Ex.14.1.manganese.df

Manganese Concentrations from Example 14-1 of 2009 USEPA Guidance Document
EPA.92c.chrysene.df

Chrysene Concentrations from 1992 USEPA Guidance Document
EPA.09.Ex.14.3.alkalinity.df

Alkalinity Measures from Example 14-3 of 2009 USEPA Guidance Document
EPA.09.Ex.17.3.log.chrysene.df

Log-transformed Chrysene Concentrations from Example 17-3 of 2009 USEPA Guidance Document
EPA.09.Ex.18.2.chrysene.df

Chrysene Concentrations from Example 18-2 of 2009 USEPA Guidance Document
EPA.09.Ex.17.4.copper.df

Copper Concentrations from Example 17-4 of 2009 USEPA Guidance Document
EPA.09.Ex.7.1.arsenic.df

Arsenic concentrations from Example 7.1 of 2009 USEPA Guidance Document
EPA.09.Ex.6.3.sulfate.df

Sulfate Concentrations from Example 6-3 of 2009 USEPA Guidance Document
EPA.09.Ex.18.3.TCE.df

Trichloroethylene Concentrations from Example 18-3 of 2009 USEPA Guidance Document
EPA.09.Ex.21.2.benzene.df

Benzene Concentrations from Example 21-2 of 2009 USEPA Guidance Document
EPA.09.Ex.21.5.beryllium.df

Beryllium Concentrations from Example 21-5 of 2009 USEPA Guidance Document
EPA.92c.nickel1.df

Nickel Concentrations from 1992 USEPA Guidance Document
EPA.09.Table.9.4.nickel.vec

Nickel Concentrations in Table 9-4 of 2009 USEPA Guidance Document
EPA.89b.aldicarb1.df

Aldicarb Concentrations from 1989 USEPA Guidance Document
EPA.92c.nickel2.df

Nickel Concentrations from 1992 USEPA Guidance Document
EPA.94b.lead.df

Lead Concentrations from 1994 USEPA Guidance Document
eqzmnorm

Estimate Quantiles of a Zero-Modified Normal Distribution
EPA.94b.tccb.df

1,2,3,4-Tetrachlorobenzene Concentrations from 1994 USEPA Guidance Document
errorBar

Plot Pointwise Error Bars
FcnsByCatHypothTests

EnvStats Functions for Hypothesis Tests
FcnsByCatGOFTests

EnvStats Functions for Goodness-of-Fit Tests
EPA.09.Ex.11.1.arsenic.df

Arsenic Concentrations from Example 11-1 of 2009 USEPA Guidance Document
EPA.09.Ex.12.1.ccl4.df

Carbon Tetrachloride Concentrations from Example 12-1 of 2009 USEPA Guidance Document
EPA.89b.chlordane2.df

Chlordane Concentrations from 1989 USEPA Guidance Document
EPA.09.Ex.19.1.sulfate.df

Sulfate Concentrations from Example 19-1 of 2009 USEPA Guidance Document
EPA.89b.manganese.df

Manganese Concentrations from 1989 USEPA Guidance Document
EPA.89b.edb.df

EDB Concentrations from 1989 USEPA Guidance Document
EPA.92c.copper2.df

Copper Concentrations from 1992 USEPA Guidance Document
EPA.92c.lognickel1.df

Log-transformed Nickel Concentrations from 1992 USEPA Guidance Document
EPA.89b.cadmium.df

Cadmium Concentrations from 1989 USEPA Guidance Document
EPA.89b.chlordane1.df

Chlordane Concentrations from 1989 USEPA Guidance Document
EPA.92c.arsenic2.df

Arsenic Concentrations from 1992 USEPA Guidance Document
EPA.92c.arsenic1.df

Arsenic Concentrations from 1992 USEPA Guidance Document
EPA.92c.ccl4.df

Carbon Tetrachloride Concentrations from 1992 USEPA Guidance Document
EPA.92c.benzene2.df

Benzene Concentrations from 1992 USEPA Guidance Document
eqexp

Estimate Quantiles of an Exponential Distribution
eqlogis

Estimate Quantiles of a Logistic Distribution
eqgamma

Estimate Quantiles of a Gamma Distribution
eqnbinom

Estimate Quantiles of a Negative Binomial Distribution
eqhyper

Estimate Quantiles of a Hypergeometric Distribution
eqlnorm

Estimate Quantiles of a Lognormal Distribution
eqzmlnorm

Estimate Quantiles of a Zero-Modified Lognormal (Delta) Distribution
equnif

Estimate Quantiles of a Uniform Distribution
FcnsByCatPower

EnvStats Functions for Power and Sample Size Calculations
FcnsByCatTrend

EnvStats Functions for Trend Analysis
FcnsByCatPredInts

EnvStats Functions for Prediction Intervals
Gibbons.et.al.09.Alkilinity.vec

Alkilinity Data from Gibbons et al. (2009)
FcnsByCatEstDistParams

EnvStats Functions for Estimating Distribution Parameters
FcnsByCatSumStats

EnvStats Functions for Summary Statistics and Plots
FcnsByCatTolInts

EnvStats Functions for Tolerance Intervals
eqbeta

Estimate Quantiles of a Beta Distribution
eqlnormCensored

Estimate Quantiles of a Lognormal Distribution Based on Type I Censored Data
eqlnorm3

Estimate Quantiles of a Three-Parameter Lognormal Distribution
FcnsByCatCalibration

EnvStats Functions for Calibration
FcnsByCatPrintPlot

EnvStats Functions for Printing and Plotting Objects of Various S3 Classes
FcnsByCat

EnvStats Functions Listed by Category
gofGroupTest

Goodness-of-Fit Test for a Specified Probability Distribution for Groups
Gibbons.et.al.09.Vinyl.Chloride.vec

Vinyl Chloride Data from Gibbons et al. (2009)
FcnsByCatProbDists

EnvStats Probability Distributions and Random Numbers
EPA.09.Ex.18.4.xylene.df

Xylene Concentrations from Example 18-4 of 2009 USEPA Guidance Document
EPA.89b.sulfate.df

Sulfate Concentrations from 1989 USEPA Guidance Document
EPA.92c.copper1.df

Copper Concentrations from 1992 USEPA Guidance Document
eqgeom

Estimate Quantiles of a Geometric Distribution
eqgevd

Estimate Quantiles of a Generalized Extreme Value Distribution
inversePredictCalibrate

Predict Concentration Using Calibration
Millard.Deverel.88.df

Copper and Zinc Concentrations in Shallow Ground Water
plot.boxcoxCensored

Plot Results of Box-Cox Transformations Based on Type I Censored Data
Modified.TcCB.df

Modified 1,2,3,4-Tetrachlorobenzene Data with Censored Values
EPA.09.Table.9.1.TCE.df

Trichloroethene concentrations in Table 9.1 of 2009 USEPA Guidance Document
EPA.09.Table.9.3.df

Arsenic, Mercury and Strontium Concentrations in Table 9-3 of 2009 USEPA Guidance Document
EPA.92c.arsenic3.df

Arsenic Concentrations from 1992 USEPA Guidance Document
EPA.97.cadmium.111.df

Calibration Data for Cadmium at Mass 111
EPA.92c.benzene1.df

Benzene Concentrations from 1992 USEPA Guidance Document
epdfPlot

Plot Empirical Probability Density Function
eqnorm

Estimate Quantiles of a Normal Distribution
FcnsByCatCensoredData

EnvStats Functions for Censored Data
eqnormCensored

Estimate Quantiles of a Normal Distribution Based on Type I Censored Data
FcnsByCatEstDistQuants

EnvStats Functions for Estimating Distribution Quantiles
FcnsByCatDataTrans

EnvStats Functions for Data Transformations
eqbinom

Estimate Quantiles of a Binomial Distribution
plotPredIntNormSimultaneousTestPowerCurve

Power Curves for Sampling Design for Test Based on Simultaneous Prediction Interval for Normal Distribution
plotPredIntNormTestPowerCurve

Power Curves for Sampling Design for Test Based on Prediction Interval for Normal Distribution
pointwise

Pointwise Confidence Limits for Predictions
predict

Model Predictions
print.htestCensored

Print Output of Hypothesis Tests Based on Censored Data
print.estimate

Print Objects of Class "estimate"
print

Print Values
plotCiNparDesign

Plots for Sampling Design Based on Nonparametric Confidence Interval for a Quantile
plotCiNormDesign

Plots for Sampling Design Based on Confidence Interval for Mean of a Normal Distribution or Difference Between Two Means
plotTolIntNormDesign

Plots for a Sampling Design Based on a Tolerance Interval for a Normal Distribution
plotTolIntNparDesign

Plots for a Sampling Design Based on a Nonparametric Tolerance Interval
print.gofTwoSample

Print Output of Two-Sample Goodness-of-Fit Tests
print.htest

Print Output of Hypothesis Tests
quantileTestPValue

Compute p-Value for the Quantile Test
Refinery.CO.df

Carbon Monoxide Emissions from Oil Refinery.
Helsel.Hirsch.02.Mayfly.df

Paired Counts of Mayfly Nymphs Above and Below Industrial Outfalls
plot.boxcox

Plot Results of Box-Cox Transformations
Lin.Evans.80.df

Fecal Coliform Data from the Illinois River
linearTrendTestN

Sample Size for a t-Test for Linear Trend
plot.boxcoxLm

Plot Results of Box-Cox Transformations for a Linear Model
plot.gof

Plot Results of Goodness-of-Fit Test
plotPredIntLnormAltTestPowerCurve

Power Curves for Sampling Design for Test Based on Prediction Interval for Lognormal Distribution
plotPredIntNormDesign

Plots for a Sampling Design Based on a Prediction Interval for the Next $k$ Observations from a Normal Distribution
plotPredIntNparSimultaneousTestPowerCurve

Power Curves for Sampling Design for Test Based on Nonparametric Simultaneous Prediction Interval
plotPropTestDesign

Plots for Sampling Design Based on One- or Two-Sample Proportion Test
print.boxcox

Print Output of Objective for Box-Cox Power Transformations
predIntNparSimultaneousN

Sample Size for Simultaneous Nonparametric Prediction Interval for Continuous Distribution
summaryStats

Summary Statistics
tolIntGamma

Tolerance Interval for a Gamma Distribution
tolIntLnorm

Tolerance Interval for a Lognormal Distribution
tolIntLnormCensored

Tolerance Interval for a Lognormal Distribution Based on Censored Data
longToWide

Convert a Long Format Data Set into a Wide Format
linearTrendTestScaledMds

Scaled Minimal Detectable Slope for a t-Test for Linear Trend
plotAovDesign

Create Plots for a Sampling Design Based on a One-Way Fixed-Effects Analysis of Variance
plotCiBinomDesign

Plots for Sampling Design Based on Confidence Interval for Binomial Proportion or Difference Between Two Proportions
predIntGammaSimultaneous

Simultaneous Prediction Interval for a Gamma Distribution
predIntNparConfLevel

Confidence Level for Nonparametric Prediction Interval for Continuous Distribution
print.permutationTest

Print Output of Permutation Tests
print.summaryStats

Print Summary Statistics
print.gofCensored

Print Output of Goodness-of-Fit Tests Based on Censored Data
print.gof

Print Output of Goodness-of-Fit Tests
tolIntNormCensored

Tolerance Interval for a Normal Distribution Based on Censored Data
tolIntNparConfLevel

Confidence Level for Nonparametric Tolerance Interval for Continuous Distribution
tTestN

Sample Size for a One- or Two-Sample t-Test
tTestScaledMdd

Scaled Minimal Detectable Difference for One- or Two-Sample t-Test
varGroupTest

Test for Homogeneity of Variance Among Two or More Groups
varTest

One-Sample Chi-Squared Test on Variance
Helsel.Cohn.88.app.b.df

Example of Multiply Left-censored Data from Literature
Helsel.Cohn.88.silver.df

Silver Concentrations From An Interlab Comparison
Ozone.NE.df

Ozone Concentrations in the Northeast U.S.
Olympic.NH4.df

Ammonium Concentration in Precipitation Measured at Olympic National Park Hoh Ranger Station
plot.gofCensored

Plot Results of Goodness-of-Fit Test Based on Censored Data
plotLinearTrendTestDesign

Plots for a Sampling Design Based on a t-Test for Linear Trend
plot.gofGroup

Plot Results of Group Goodness-of-Fit Test
plotPredIntLnormAltSimultaneousTestPowerCurve

Power Curves for Sampling Design for Test Based on Simultaneous Prediction Interval for Lognormal Distribution
plotTTestDesign

Plots for a Sampling Design Based on a One- or Two-Sample t-Test
plotTTestLnormAltDesign

Plots for a Sampling Design Based on a One- or Two-Sample t-Test, Assuming Lognormal Data
print.boxcoxCensored

Print Output of Objective for Box-Cox Power Transformations Based on Type I Censored Data
print.boxcoxLm

Print Output of Objective for Box-Cox Power Transformations for an "lm" Object
tolIntNparCoverage

Coverage for Nonparametric Tolerance Interval for Continuous Distribution
Skagit.NH3_N.df

Ammonia Nitrogen Concentrations in the Skagit River, Marblemount, Washington
simulateVector

Simulate a Vector of Random Numbers From a Specified Theoretical or Empirical Probability Distribution
Total.P.df

Total Phosphorus Data from Chesapeake Bay
print.estimateCensored

Print Objects of Class "estimateCensored"
propTestMdd

Minimal Detectable Difference Associated with a One- or Two-Sample Proportion Test
qqPlotGestalt

Develop Gestalt of Q-Q Plots for Specific Distributions
FcnsByCatMCandRisk

EnvStats Functions for Monte Carlo Simulation and Risk Assessment
FcnsByCatPlotProbDists

EnvStats Functions for Plotting Probability Distributions
gpqTolIntNormCensored

Generalized Pivotal Quantity for Tolerance Interval for a Normal Distribution Based on Censored Data
newsEnvStats

Show the EnvStats NEWS File
Graham.et.al.75.etu.df

Ethylene Thiourea Dose-Response Data
plot.gofTwoSample

Plot Results of Goodness-of-Fit Test to Compare Two Samples
NIOSH.89.air.lead.vec

NIOSH Air Lead Levels Data
plot.permutationTest

Plot Results of Permutation Test
plotPredIntNparSimultaneousDesign

Plots for a Sampling Design Based on a Simultaneous Nonparametric Prediction Interval
plotPredIntNparDesign

Plots for a Sampling Design Based on a Nonparametric Prediction Interval
predict.lm

Predict Method for Linear Model Fits
predIntGamma

Prediction Interval for Gamma Distribution
predIntNparSimultaneousConfLevel

Confidence Level of Simultaneous Nonparametric Prediction Interval for Continuous Distribution
predIntNparN

Sample Size for a Nonparametric Prediction Interval for a Continuous Distribution
print.gofGroup

Print Output of Group Goodness-of-Fit Tests
print.gofOutlier

Print Output of Goodness-of-Fit Outlier Tests
stripChart

1-D Scatter Plots with Confidence Intervals
summaryFull

Full Complement of Summary Statistics
tTestAlpha

Type I Error Level for a One- or Two-Sample t-Test
tTestLnormAltN

Sample Size for a One- or Two-Sample t-Test, Assuming Lognormal Data