R: Methods for Ecotoxicology

# Methods for Ecotoxicology

## Documentation for package ‘ecotoxicology’ version 1.0.1

- DESCRIPTION file.
- Code demos. Use demo() to run them.

## Help Pages

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