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EnvStats (version 1.0.3)

Package for Environmental Statistics, including US EPA Guidance

Description

Functions and datasets to perform analyses of environmental data.

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Version

Install

install.packages('EnvStats')

Monthly Downloads

14,320

Version

1.0.3

License

GPL (>= 3)

Maintainer

Steven Millard

Last Published

October 21st, 2014

Functions in EnvStats (1.0.3)

FcnsByCatEstDistQuants

EnvStats Functions for Estimating Distribution Quantiles

Helsel.Cohn.88.silver.df

Silver Concentrations From An Interlab Comparison

Modified.TcCB.df

Modified 1,2,3,4-Tetrachlorobenzene Data with Censored Values

HoskingEtAl1985

Abstract: Hosking et al. (1985)

aovPower

Compute the Power of a One-Way Fixed-Effects Analysis of Variance

eevd

Estimate Parameters of an Extreme Value (Gumbel) Distribution

EPA.94b.tccb.df

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

enorm

Estimate Parameters of a Normal (Gaussian) Distribution

EPA.09.Ex.12.1.ccl4.df

Carbon Tetrachloride Concentrations from Example 12-1 of 2009 USEPA Guidance Document

EnvStats-package

Package for Environmental Statistics, including US EPA Guidance

EPA.09.Ex.21.1.aldicarb.df

Aldicarb Concentrations from Example 21-1 of 2009 USEPA Guidance Document

Gibbons.et.al.09.Vinyl.Chloride.vec

Vinyl Chloride Data from Gibbons et al. (2009)

kurtosis

Coefficient of (Excess) Kurtosis

ZeroModifiedNormal

The Zero-Modified Normal Distribution

EPA.89b.aldicarb1.df

Aldicarb Concentrations from 1989 USEPA Guidance Document

base

Base $b$ Representation of a Number

Environmental

Atmospheric Environmental Conditions in New York City

EPA.02d.Ex.4.mg.per.kg.vec

Concentrations in Exhibit 4 of 2002d USEPA Guidance Document

EPA.02d.Ex.9.mg.per.L.vec

Concentrations in Exhibit 9 of 2002d USEPA Guidance Document

plotPredIntNparDesign

Plots for a Sampling Design Based on a Nonparametric Prediction Interval

cdfPlot

Plot Cumulative Distribution Function

ciNparN

Sample Size for Nonparametric Confidence Interval for a Quantile

EPA.09.Ex.15.1.manganese.df

Manganese Concentrations from Example 15-1 of 2009 USEPA Guidance Document

EPA.09.Ex.17.6.sulfate.df

Sulfate Concentrations from Example 17-6 of 2009 USEPA Guidance Document

predIntNparSimultaneousTestPower

Probability That at Least One Set of Future Observations Violates the Given Rule Based on a Nonparametric Simultaneous Prediction Interval

epareto

Estimate Parameters of a Pareto Distribution

EPA.89b.sulfate.df

Sulfate Concentrations from 1989 USEPA Guidance Document

LognormalAlt

The Lognormal Distribution (Alternative Parameterization)

EPA.09.Ex.20.1.nickel.df

Nickel Concentrations from Example 20-1 of 2009 USEPA Guidance Document

Pareto

The Pareto Distribution

FcnsByCatDataTrans

EnvStats Functions for Data Transformations

tolIntPois

Tolerance Interval for a Poisson Distribution

EPA.89b.lead.df

Lead Concentrations from 1989 USEPA Guidance Document

EPA.09.Ex.18.3.TCE.df

Trichloroethylene Concentrations from Example 18-3 of 2009 USEPA Guidance Document

Refinery.CO.df

Carbon Monoxide Emissions from Oil Refinery.

eqnbinom

Estimate Quantiles of a Negative Binomial Distribution

EVD

The Extreme Value (Gumbel) Distribution

plotCiNormDesign

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

EPA.92c.zinc.df

Zinc Concentrations from 1992 USEPA Guidance Document

ciTableProp

Table of Confidence Intervals for Proportion or Difference Between Two Proportions

eqnorm

Estimate Quantiles of a Normal Distribution

ZeroModifiedLognormal

The Zero-Modified Lognormal (Delta) Distribution

eqlogis

Estimate Quantiles of a Logistic Distribution

EPA.92c.nickel2.df

Nickel Concentrations from 1992 USEPA Guidance Document

FcnsByCatPlotProbDists

EnvStats Functions for Plotting Probability Distributions

Distribution.df

Data Frame Summarizing Available Probability Distributions and Estimation Methods

EPA.09.Ex.17.7.sodium.df

Sodium Concentrations from Example 17-7 of 2009 USEPA Guidance Document

FcnsByCatSumStats

EnvStats Functions for Summary Statistics and Plots

Helsel.Cohn.88.app.b.df

Example of Multiply Left-censored Data from Literature

EPA.94b.lead.df

Lead Concentrations from 1994 USEPA Guidance Document

EPA.92c.nickel1.df

Nickel Concentrations from 1992 USEPA Guidance Document

FcnsByCatEstDistParams

EnvStats Functions for Estimating Distribution Parameters

GammaAlt

The Gamma Distribution (Alternative Parameterization)

EPA.89b.chlordane2.df

Chlordane Concentrations from 1989 USEPA Guidance Document

gof.object

S3 Class "gof"

EPA.92c.lognickel1.df

Log-transformed Nickel Concentrations from 1992 USEPA Guidance Document

Ozone.NE.df

Ozone Concentrations in the Northeast U.S.

ecdfPlot

Empirical Cumulative Distribution Function Plot

elnorm3

Estimate Parameters of a Three-Parameter Lognormal Distribution (Log-Scale)

EPA.09.Ex.14.8.df

Analyte Concentrations from Example 14-8 of 2009 USEPA Guidance Document

estimateCensored.object

S3 Class "estimateCensored"

inversePredictCalibrate

Predict Concentration Using Calibration

EPA.09.Ex.16.2.benzene.df

Benzene Concentrations from Example 16-2 of 2009 USEPA Guidance Document

LognormalMix

Mixture of Two Lognormal Distributions

eexp

Estimate Rate Parameter of an Exponential Distribution

gpqCiNormCensored

Generalized Pivotal Quantity for Confidence Interval for the Mean of a Normal Distribution Based on Censored Data

FcnsByCatCalibration

EnvStats Functions for Calibration

elnormAltCensored

Estimate Parameters for a Lognormal Distribution (Original Scale) Based on Type I Censored Data

eqbeta

Estimate Quantiles of a Beta Distribution

eqhyper

Estimate Quantiles of a Hypergeometric Distribution

htest.object

S3 Class "htest"

eqnpar

Estimate Quantiles of a Distribution Nonparametrically

Lognormal3

The Three-Parameter Lognormal Distribution

Empirical

The Empirical Distribution Based on a Set of Observations

EPA.09.Ex.19.1.sulfate.df

Sulfate Concentrations from Example 19-1 of 2009 USEPA Guidance Document

iqr

Interquartile Range

LognormalTrunc

The Truncated Lognormal Distribution

plot.gofGroup

Plot Results of Group Goodness-of-Fit Test

EPA.09.Ex.21.6.nitrate.df

Nitrate Concentrations from Example 21-6 of 2009 USEPA Guidance Document

FcnsByCatCensoredData

EnvStats Functions for Censored Data

eqlnormCensored

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

equnif

Estimate Quantiles of a Uniform Distribution

FcnsByCatPredInts

EnvStats Functions for Prediction Intervals

plotPropTestDesign

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

plotPredIntLnormAltSimultaneousTestPowerCurve

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

plotPredIntNormSimultaneousTestPowerCurve

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

Chi

The Chi Distribution

epoisCensored

Estimate Mean of a Poisson Distribution Based on Type I Censored Data

FcnsByCatProbDists

EnvStats Probability Distributions and Random Numbers

propTestPower

Compute the Power of a One- or Two-Sample Proportion Test

plot.gofCensored

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

EPA.09.Ex.16.5.PCE.df

Tetrachloroethylene Concentrations from Example 16-5 of 2009 USEPA Guidance Document

gofGroupTest

Goodness-of-Fit Test for a Specified Probability Distribution for Groups

EPA.09.Table.9.1.TCE.df

Trichloroethene concentrations in Table 9.1 of 2009 USEPA Guidance Document

EPA.09.Ex.21.7.TCE.df

Trichloroethylene Concentrations from Example 21-7 of 2009 USEPA Guidance Document

Triangular

The Triangular Distribution

ezmnorm

Estimate Parameters of a Zero-Modified Normal Distribution

elnormCensored

Estimate Parameters for a Lognormal Distribution (Log-Scale) Based on Type I Censored Data

summaryFull

Full Complement of Summary Statistics

predIntNpar

Nonparametric Prediction Interval for a Continuous Distribution

ppointsCensored

Plotting Positions for Type I Censored Data

predIntNormTestPower

Probability That at Least One Future Observation Falls Outside a Prediction Interval for a Normal Distribution

pointwise

Pointwise Confidence Limits for Predictions

EPA.09.Table.9.4.nickel.vec

Nickel Concentrations in Table 9-4 of 2009 USEPA Guidance Document

plot.gofTwoSample

Plot Results of Goodness-of-Fit Test to Compare Two Samples

eqzmlnorm

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

print.boxcox

Print Output of Objective for Box-Cox Power Transformations

estimate.object

S3 Class "estimate"

EPA.89b.cadmium.df

Cadmium Concentrations from 1989 USEPA Guidance Document

EPA.92c.benzene1.df

Benzene Concentrations from 1992 USEPA Guidance Document

egammaAltCensored

Estimate Mean and Coefficient of Variation for a Gamma Distribution Based on Type I Censored Data

Benthic.df

Benthic Data from Monitoring Program in Chesapeake Bay

serialCorrelationTest

Test for the Presence of Serial Correlation

EPA.09.Ex.21.5.beryllium.df

Beryllium Concentrations from Example 21-5 of 2009 USEPA Guidance Document

gofOutlier.object

S3 Class "gofOutlier"

eqweibull

Estimate Quantiles of a Weibull Distribution

linearTrendTestPower

Power of a t-Test for Linear Trend

eqexp

Estimate Quantiles of an Exponential Distribution

twoSamplePermutationTestProportion

Randomization (Permutation) Test to Compare Two Proportions (Fisher's Exact Test)

tTestN

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

plot.gof

Plot Results of Goodness-of-Fit Test

EPA.09.Table.9.3.df

Arsenic, Mercury and Strontium Concentrations in Table 9-3 of 2009 USEPA Guidance Document

ebinom

Estimate Parameter of a Binomial Distribution

predIntNormSimultaneousK

Compute the Value of $K$ for a Simultaneous Prediction Interval for a Normal Distribution

print.htest

Print Output of Hypothesis Tests

plotLinearTrendTestDesign

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

longToWide

Convert a Long Format Data Set into a Wide Format

plotTolIntNormDesign

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

EPA.02d.Ex.6.mg.per.kg.vec

Concentrations in Exhibit 6 of 2002d USEPA Guidance Document

EPA.92c.copper1.df

Copper Concentrations from 1992 USEPA Guidance Document

FcnsByCatHypothTests

EnvStats Functions for Hypothesis Tests

EPA.09.Ex.17.1.loglead.df

Log-transformed Lead Concentrations from Example 17-1 of 2009 USEPA Guidance Document

eqgamma

Estimate Quantiles of a Gamma Distribution

tolIntLnormCensored

Tolerance Interval for a Lognormal Distribution Based on Censored Data

eqgevd

Estimate Quantiles of a Generalized Extreme Value Distribution

predIntNormN

Sample Size for a Specified Half-Width of a Prediction Interval for the next $k$ Observations from a Normal Distribution

print.gof

Print Output of Goodness-of-Fit Tests

EPA.09.Ex.6.3.sulfate.df

Sulfate Concentrations from Example 6-3 of 2009 USEPA Guidance Document

plotPredIntLnormAltTestPowerCurve

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

aovN

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

EPA.09.Ex.16.1.sulfate.df

Sulfate Concentrations from Example 16-1 of 2009 USEPA Guidance Document

EPA.92c.arsenic1.df

Arsenic Concentrations from 1992 USEPA Guidance Document

tolIntNormK

Compute the Value of $K$ for a Tolerance Interval for a Normal Distribution

EPA.09.Ex.14.3.alkalinity.df

Alkalinity Measures from Example 14-3 of 2009 USEPA Guidance Document

print.gofGroup

Print Output of Group Goodness-of-Fit Tests

EPA.09.Ex.12.4.naphthalene.df

Naphthalene Concentrations from Example 12-4 of 2009 USEPA Guidance Document

tolIntNparN

Sample Size for Nonparametric Tolerance Interval for Continuous Distribution

eqgeom

Estimate Quantiles of a Geometric Distribution

EPA.89b.loglead.df

Log-transformed Lead Concentrations from 1989 USEPA Guidance Document

FcnsByCat

EnvStats Functions Listed by Category

Lin.Evans.80.df

Fecal Coliform Data from the Illinois River

predict.lm

Predict method for Linear Model Fits

plot.permutationTest

Plot Results of Permutation Test

boxcox.object

S3 Class "boxcox"

elogis

Estimate Parameters of a Logistic Distribution

plotCiNparDesign

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

predIntNorm

Prediction Interval for a Normal Distribution

elnormAlt

Estimate Parameters of a Lognormal Distribution (Original Scale)

predIntLnorm

Prediction Interval for a Lognormal Distribution

FcnsByCatTrend

EnvStats Functions for Trend Analysis

print.estimate

Print Objects of Class "estimate"

predIntNormSimultaneousTestPower

Probability That at Least One Set of Future Observations Violates the Given Rule Based on a Simultaneous Prediction Interval for a Normal Distribution

predIntNparSimultaneous

Nonparametric Simultaneous Prediction Interval for a Continuous Distribution

oneSamplePermutationTest

Fisher's One-Sample Randomization (Permutation) Test for Location

qqPlot

Quantile-Quantile (Q-Q) Plot

tTestLnormAltN

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

ecdfPlotCensored

Empirical Cumulative Distribution Function Plot Based on Type I Censored Data

tolIntNorm

Tolerance Interval for a Normal Distribution

eweibull

Estimate Parameters of a Weibull Distribution

ezmlnorm

Estimate Parameters of a Zero-Modified Lognormal (Delta) Distribution

print.gofCensored

Print Output of Goodness-of-Fit Tests Based on Censored Data

predIntPois

Prediction Interval for a Poisson Distribution

EPA.09.Ex.14.4.arsenic.df

Arsenic Concentrations from Example 14-4 of 2009 USEPA Guidance Document

ehyper

Estimate Parameter of a Hypergeometric Distribution

zTestGevdShape

Test Whether the Shape Parameter of a Generalized Extreme Value Distribution is Equal to 0

propTestMdd

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

plot.boxcoxCensored

Plot Results of Box-Cox Transformations Based on Type I Censored Data

simulateMvMatrix

Simulate a Multivariate Matrix Based on a Specified Rank Correlation Mat

tTestAlpha

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

FcnsByCatPower

EnvStats Functions for Power and Sample Size Calculations

Graham.et.al.75.etu.df

Ethylene Thiourea Dose-Response Data

eqzmnorm

Estimate Quantiles of a Zero-Modified Normal Distribution

plot.boxcox

Plot Results of Box-Cox Transformations

propTestN

Compute Sample Size Necessary to Achieve a Specified Power for a One- or Two-Sample Proportion Test

tTestPower

Power of a One- or Two-Sample t-Test

NormalTrunc

The Truncated Normal Distribution

print.gofTwoSample

Print Output of Two-Sample Goodness-of-Fit Tests

ciBinomHalfWidth

Half-Width of Confidence Interval for Binomial Proportion or Difference Between Two Proportions

geoSD

Geometric Standard Deviation.

kendallSeasonalTrendTest

Nonparametric Test for Monotonic Trend Within Each Season Based on Kendall's Tau Statistic

Total.P.df

Total Phosphorus Data from Chesapeake Bay

quantileTest

Two-Sample Rank Test to Detect a Shift in a Proportion of the "Treated" Population

linearTrendTestN

Sample Size for a t-Test for Linear Trend

predIntLnormSimultaneous

Simultaneous Prediction Interval for a Lognormal Distribution

egammaCensored

Estimate Shape and Scale Parameters for a Gamma Distribution Based on Type I Censored Data

summaryStats

Summary Statistics

tolIntNparCoverage

Coverage for Nonparametric Tolerance Interval for Continuous Distribution

simulateVector

Simulate a Vector of Random Numbers From a Specified Theoretical or Empirical Probability Distribution

tTestLnormAltPower

Power of a One- or Two-Sample t-Test Assuming Lognormal Data

qqPlotGestalt

Develop Gestalt of Q-Q Plots for Specific Distributions

egamma

Estimate Parameters of Gamma Distribution

varGroupTest

Test for Homogeneity of Variance Among Two or More Groups

varTest

One-Sample Chi-Squared Test on Variance

twoSampleLinearRankTestCensored

Two-Sample Linear Rank Test to Detect a Difference Between Two Distributions Based on Censored Data

newsEnvStats

Show the EnvStats NEWS File

tolIntNormCensored

Tolerance Interval for a Normal Distribution Based on Censored Data

EPA.89b.t29.df

T-29 Concentrations from 1989 USEPA Guidance Document

GEVD

The Generalized Extreme Value Distribution

ebeta

Estimate Parameters of a Beta Distribution

predIntNormSimultaneous

Simultaneous Prediction Interval for a Normal Distribution

qqPlotCensored

Quantile-Quantile (Q-Q) Plot for Type I Censored Data

plotAovDesign

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

tolIntNormHalfWidth

Half-Width of a Tolerance Interval for a Normal Distribution

pdfPlot

Plot Probability Density Function

kendallTrendTest

Kendall's Nonparametric Test for Montonic Trend

linearTrendTestScaledMds

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

plotPredIntNormDesign

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

EPA.09.Ex.16.4.copper.df

Copper Concentrations from Example 16-4 of 2009 USEPA Guidance Document

EPA.09.Ex.21.2.benzene.df

Benzene Concentrations from Example 21-2 of 2009 USEPA Guidance Document

predIntLnormAltTestPower

Probability That at Least One Future Observation Falls Outside a Prediction Interval for a Lognormal Distribution

EPA.92c.ccl4.df

Carbon Tetrachloride Concentrations from 1992 USEPA Guidance Document

NIOSH.89.air.lead.vec

NIOSH Air Lead Levels Data

predIntNparSimultaneousN

Sample Size for Simultaneous Nonparametric Prediction Interval for Continuous Distribution

print.summaryStats

Print Summary Statistics

boxcox

Boxcox Power Transformation

tolIntNpar

Nonparametric Tolerance Interval for a Continuous Distribution

print.boxcoxLm

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

plotTTestDesign

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

predIntGammaSimultaneous

Simultaneous Prediction Interval for a Gamma Distribution

signTest

One-Sample or Paired-Sample Sign Test on a Median

tolIntNormN

Sample Size for a Specified Half-Width of a Tolerance Interval for a Normal Distribution

tolIntGamma

Tolerance Interval for a Gamma Distribution

EPA.09.Ex.13.1.iron.df

Iron Concentrations from Example 13-1 of 2009 USEPA Guidance Document

EPA.09.Ex.14.1.manganese.df

Manganese Concentrations from Example 14-1 of 2009 USEPA Guidance Document

EPA.09.Ex.17.2.toluene.df

Toluene Concentrations from Example 17-2 of 2009 USEPA Guidance Document

EPA.89b.benzene.df

Benzene Concentrations from 1989 USEPA Guidance Document

FcnsByCatGOFTests

EnvStats Functions for Goodness-of-Fit Tests

LognormalTruncAlt

The Truncated Lognormal Distribution (Alternative Parameterization)

Olympic.NH4.df

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

plotCiBinomDesign

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

print.permutationTest

Print Output of Permutation Tests

summaryStats.object

S3 Class "summaryStats"

tTestScaledMdd

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

tolIntLnorm

Tolerance Interval for a Lognormal Distribution

skewness

Coefficient of Skewness

FcnsByCatPrintPlot

EnvStats Functions for Printing and Plotting Objects of Various S3 Classes

EPA.92c.arsenic3.df

Arsenic Concentrations from 1992 USEPA Guidance Document

EPA.89b.aldicarb2.df

Aldicarb Concentrations from 1989 USEPA Guidance Document

EPA.02d.Ex.2.ug.per.L.vec

Concentrations in Exhibit 2 of 2002d USEPA Guidance Document

EPA.09.Ex.18.2.chrysene.df

Chrysene Concentrations from Example 18-2 of 2009 USEPA Guidance Document

CastilloAndHadi1994

Abstract: Castillo and Hadi (1994)

EPA.09.Ex.22.2.Specific.Conductance.df

Specific Conductance from Example 22-2 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.18.1.arsenic.df

Arsenic Concentrations from Example 18-1 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.19.5.mercury.df

Mercury Concentrations from Example 19-5 of 2009 USEPA Guidance Document

EPA.92c.copper2.df

Copper Concentrations from 1992 USEPA Guidance Document

EPA.09.Ex.11.1.arsenic.df

Arsenic Concentrations from Example 11-1 of 2009 USEPA Guidance Document

EPA.92c.chrysene.df

Chrysene Concentrations from 1992 USEPA Guidance Document

elnorm

Estimate Parameters of a Lognormal Distribution (Log-Scale)

ciBinomN

Sample Size for Specified Half-Width of Confidence Interval for Binomial Proportion or Difference Between Two Proportions

FcnsByCatMCandRisk

EnvStats Functions for Monte Carlo Simulation and Risk Assessment

ZeroModifiedLognormalAlt

The Zero-Modified Lognormal (Delta) Distribution (Alternative Parameterization)

EnvStats-internal

Internal EnvStats objects

EPA.09.Ex.19.2.chloride.df

Chloride Concentrations from Example 19-2 of 2009 USEPA Guidance Document

EPA.09.Ex.7.1.arsenic.df

Arsenic concentrations from Example 7.1 of 2009 USEPA Guidance Document

cdfCompare

Plot Two Cumulative Distribution Functions

eqevd

Estimate Quantiles of an Extreme Value (Gumbel) Distribution

egeom

Estimate Probability Parameter of a Geometric Distribution

cdfCompareCensored

Plot Two Cumulative Distribution Functions Based on Censored Data

EPA.92c.toluene.df

Toluene Concentrations from 1992 USEPA Guidance Document

EPA.92d.chromium.df

Chromium Concentrations from 1992 USEPA Guidance Document

EPA.92c.arsenic2.df

Arsenic Concentrations from 1992 USEPA Guidance Document

EPA.89b.manganese.df

Manganese Concentrations from 1989 USEPA Guidance Document

EPA.09.Ex.18.4.xylene.df

Xylene Concentrations from Example 18-4 of 2009 USEPA Guidance Document

ciNparConfLevel

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

gpqTolIntNormCensored

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

Millard.Deverel.88.df

Copper and Zinc Concentrations in Shallow Ground Water

eqpois

Estimate Quantiles of a Poisson Distribution

lMoment

Estimate $L$-Moments

Gibbons.et.al.09.Alkilinity.vec

Alkilinity Data from Gibbons et al. (2009)

epois

Estimate Parameter of a Poisson Distribution

NormalMix

Mixture of Two Normal Distributions

predIntLnormAltSimultaneousTestPower

Probability That at Least One Set of Future Observations Violates the Given Rule Based on a Simultaneous Prediction Interval for a Lognormal Distribution

predIntNormK

Compute the Value of $K$ for a Prediction Interval for a Normal Distribution

boxcoxCensored

Boxcox Power Transformation for Type I Censored Data

epdfPlot

Plot Empirical Probability Density Function

ciTableMean

Table of Confidence Intervals for Mean or Difference Between Two Means

boxcoxLm.object

S3 Class "boxcoxLm"

boxcoxTransform

Apply a Box-Cox Power Transformation to a Set of Data

boxcoxCensored.object

S3 Class "boxcoxCensored"

gofCensored.object

S3 Class "gofCensored"

chenTTest

Chen's Modified One-Sided t-test for Skewed Distributions

eqlnorm3

Estimate Quantiles of a Three-Parameter Lognormal Distribution

plotPredIntNormTestPowerCurve

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

predIntNparSimultaneousConfLevel

Confidence Level of Simultaneous Nonparametric Prediction Interval for Continuous Distribution

detectionLimitCalibrate

Determine Detection Limit

enparCensored

Estimate Mean, Standard Deviation, and Standard Error Nonparametrically Based on Censored Data

permutationTest.object

S3 Class "permutationTest"

enbinom

Estimate Probability Parameter of a Negative Binomial Distribution

eqnormCensored

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

quantileTestPValue

Compute p-Value for the Quantile Test

print.estimateCensored

Print Objects of Class "estimateCensored"

eunif

Estimate Parameters of a Uniform Distribution

tTestLnormAltRatioOfMeans

Minimal or Maximal Detectable Ratio of Means for One- or Two-Sample t-Test, Assuming Lognormal Data

pwMoment

Estimate Probability-Weighted Moments

geoMean

Geometric Mean

eqbinom

Estimate Quantiles of a Binomial Distribution

predIntNparConfLevel

Confidence Level for Nonparametric Prediction Interval for Continuous Distribution

gofTestCensored

Goodness-of-Fit Test for Normal or Lognormal Distribution Based on Censored Data

predIntGamma

Prediction Interval for Gamma Distribution

tolIntNparConfLevel

Confidence Level for Nonparametric Tolerance Interval for Continuous Distribution

plotTolIntNparDesign

Plots for a Sampling Design Based on a Nonparametric Tolerance Interval

plot.boxcoxLm

Plot Results of Box-Cox Transformations for a Linear Model

rosnerTest

Rosner's Test for Outliers

predIntNparN

Sample Size for a Nonparametric Prediction Interval for a Continuous Distribution

print.gofOutlier

Print Output of Goodness-of-Fit Outlier Tests

EPA.09.Ex.17.3.log.chrysene.df

Log-transformed Chrysene Concentrations from Example 17-3 of 2009 USEPA Guidance Document

EPA.89b.edb.df

EDB Concentrations from 1989 USEPA Guidance Document

EPA.97.cadmium.111.df

Calibration Data for Cadmium at Mass 111

anovaPE

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

enormCensored

Estimate Parameters for a Normal Distribution Based on Type I Censored Data

print.htestCensored

Print Output of Hypothesis Tests Based on Censored Data

eqlnorm

Estimate Quantiles of a Lognormal Distribution

plotPredIntNparSimultaneousDesign

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

predIntNormHalfWidth

Half-Width of a Prediction Interval for the next $k$ Observations from a Normal Distribution

EPA.09.Ex.17.4.copper.df

Copper Concentrations from Example 17-4 of 2009 USEPA Guidance Document

EPA.92c.benzene2.df

Benzene Concentrations from 1992 USEPA Guidance Document

EPA.92d.chromium.vec

Chromium Concentrations from 1992 USEPA Guidance Document

twoSamplePermutationTestLocation

Two-Sample or Paired-Sample Randomization (Permutation) Test for Location

print.boxcoxCensored

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

EPA.09.Ex.17.3.chrysene.df

Chrysene Concentrations from Example 17-3 of 2009 USEPA Guidance Document

LognormalMixAlt

Mixture of Two Lognormal Distributions (Alternative Parameterization)

Skagit.NH3_N.df

Ammonia Nitrogen Concentrations in the Skagit River, Marblemount, Washington

plotPredIntNparSimultaneousTestPowerCurve

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

stripChart

1-D Scatter Plots with Confidence Intervals

twoSampleLinearRankTest

Two-Sample Linear Rank Test to Detect a Difference Between Two Distributions

EPA.89b.chlordane1.df

Chlordane Concentrations from 1989 USEPA Guidance Document

EPA.09.Ex.10.1.nickel.df

Nickel Concentrations from Example 10-1 of 2009 USEPA Guidance Document

EPA.89b.toc.vec

Total Organic Carbon Concentrations from 1989 USEPA Guidance Document

ciNormHalfWidth

Half-Width of Confidence Interval for Normal Distribution Mean or Difference Between Two Means

calibrate

Fit a Calibration Line or Curve

Sample Coefficient of Variation.

evNormOrdStats

Expected Value of Order Statistics from Random Sample from Standard Normal Distribution

plotTTestLnormAltDesign

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

EulersConstant

Euler's Constant

FcnsByCatTolInts

EnvStats Functions for Tolerance Intervals

ciNormN

Sample Size for Specified Half-Width of Confidence Interval for Normal Distribution Mean or Difference Between Two Means

egevd

Estimate Parameters of a Generalized Extreme Value Distribution

eqpareto

Estimate Quantiles of a Pareto Distribution

gofTwoSample.object

S3 Class "gofTwoSample"

htestCensored.object

S3 Class "htestCensored"