Methods for Ecotoxicology

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Documentation for package ‘ecotoxicology’ version 1.0.1

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AdjustAbbott Calculate corrected efficacy % with Abbott's formula
AdjustHendersonTilton Calculate corrected efficacy % with Henderson-Tilton's formula
AdjustSchneiderOrelli Calculate corrected efficacy % with Schneider-Orelli's formula
AdjustSunShepard Calculate corrected efficacy % with Sun-Shepard's formula
AphisRumicisDerrisMalaccensis data on the toxicity to Aphis rumicis of an ether extract of Derris malaccensis
ArcsinToPercentage Convert Arcsin values to percentages
CalculateLC50 Calculate LC50 from a matrix with 3 columns: concentration, number of exposed subjects and number of deaths
CalculateLCn Calculate LC for N between 0 (LC0) and 100 (LC100)
Dunnett.t.Statistic Critical Values of Dunnett's t Statistic
erfinv Inverse error function
GenTableIFinney1964 Generate table I from Finney1964 "Transformation of percentages to probits"
GenTableIIFinney1964 Generate table II from Finney1964 "The weighting coefficient and Q/Z"
GenTableIIIFinney1964 Generate table III from Finney1964 "Maximum and minimum working probits and range"
GenTableIVFinney1964 Generate table IV from Finney1964 "Working probits"
GenTableIXFinney1964 Generate table IX from Finney1964 "Minimum Working Probit, Range, and Weighting Coefficient for Inverse Sampling"
GenTableVFinney1964 Generate table V from Finney1964 "The Probability, P, the Ordinate, Z, and Z^2"
GenTableVIFinney1964 Generate table VI from Finney1964 "Distribution of chi^2"
GenTableVIIFinney1964 Generate table VII from Finney1964 "Distribution of t"
GenTableVIIIFinney1964 Generate table VIII from Finney1964 "The Weighting Coefficient in Wadley's Problem"
IsMonotonicallyDecreasing Determine if a series is monotonically decreasing
IsMonotonicallyIncreasing Determine if a series is monotonically increasing
MakeMonotonicallyDecreasing Make monotonically decreasing sequence
MakeMonotonicallyIncreasing Smoothed Mortality Proportion (monotonically increasing sequence)
PercentageToArcsin Convert percentages to Arcsin values
PercentageToProbit Convert percentages to Probit values
ProbitApproxStandardErrorOfDosage Approximate Standard Error of dosage
ProbitChi Estimate the column for Chi calculation
ProbitEPA Probit estimation similar to the EPA's Ecological Exposure Research Division (EERD) tool
ProbitFiducialLimits Probit Fiducial Limits
ProbitFinney Probit estimation regression with Finney's method
ProbitRegression Probit regression line
ProbitStandardErrorOfDosage Standard Error of dosage
ProbitStandardErrorRate Standard Error of rate of increase of probit value per unit increase in x
ProbitToPercentage Convert Probit values to percentages
ProbitVALUEg Probit value "g"
ProbitVarianceDosage Variance of dosage
ProbitVarianceRate Variance of rate of increase of probit value per unit increase in x
Probitw Calculate weighting coefficient from expected probit
ProbitWeightingCoef Calculate the weighting coefficient
ProbitWorkingP Calculate working probit
ProbitZ Calculate the ordinate to the normal distribution corresponding to the probability P
ProbitZ4dec Calculate the ordinate to the normal distribution corresponding to the probability P, exactly like Finney's
ScaleArcher Archer Scale for assessment of leaf damage
ScaleGauhlStover Gauhl’s modification of Stover’s severity scoring system
ScaleHorsfallBarratt Horsfall-Barratt Scale for Measuring Plant Disease
SheepsheadMinnow40SK Mortality data from a fathead minnow larval survival and growth test (40 organisms per concentration)
SpearmanKarber Spearman Karber estimation
Table1Finney1964 Transformation of Percentages to Probits, table I of Finney, 1964
Table2Finney1964 The Weighting Coefficient and Q/Z, table II of Finney, 1964
Table3Finney1964 Maximum and Minimum working probits and Range, table III of Finney, 1964
Table4Finney1964 Working probits, table IV of Finney, 1964
Table5Finney1964 The Probability, P, the Ordinate, Z, and Z^2, table V of Finney, 1964
Table8Finney1964 The Weighting Coefficient in Wadley's Problem, table VIII of Finney, 1964
Table9Finney1964 Minimum Working Probit, Range, and Weighting Coefficient for Inverse Sampling, table IX of Finney, 1964
TestMix2poisons Generate table 26 from Finney1964 "The Function for Planning Tests of Mixtures of Two Poisons"
TSK Trimmed Spearman-Karber method, as per Hamilton and EPA
WAAPPpestCount WAAPP Pest Count scoring system