LW1949                  Automated Litchfield and Wilcoxon (1949)
                        Evaluation of Dose-Effect Experiments
LWP                     User Friendly Evaluation of Dose-Effect
                        Experiments using Litchfield-Wilcoxon and
                        Probit Methods
LWchi2                  Chi-Squared Statistic
LWestimate              Generate Litchfield and Wilcoxon Estimates
LWnomo1                 Recreate Litchfield and Wilcoxon's Nomograph
                        No. 1
assessfit               Assess Fit of Dose-Response Curve
coefprobit              Calculate the Coefficients of a Probit
                        Regression Fit
constrain               Constrain Data to a Specified Range
correctval              Predict the Corrected Proportional Effect
dataprep                Prepare Data
estimable               Determine if a Dose-Effect Relation is
                        Estimable
fill                    Fill in Missing Values
fitHand                 Best Fit Using Estimated Expected Effects
fitLWauto               Best Fit Using Litchfield and Wilcoxon
                        Evaluation of Dose-Effect Experiments
fitlinear               Determine Linear Regression Coefficients from
                        Dose-Effect Data
fitprobit               Fit a Probit Regression to Dose-Effect Data
fxcat                   Define Effect Category
gamtable1               Fit a smooth GAM to Table 1 of Litchfield and
                        Wilcoxon (1949)
invprobit               Convert Probit Scale to Proportions
keeponly                Eliminate Consecutive Extreme Values
nomoCoord               Find the Coordinate from the Scale of a
                        Nomograph
plotDE                  Plot Dose-Effect Experiments
plotDELP                Plot Dose-Effect Experiments
predLines               Add Litchfield and Wilcoxon Predictions to a
                        Plot
predLinesLP             Add Litchfield and Wilcoxon Predictions to a
                        Plot
predlinear              Determine the Effective Dose from a Linear
                        Regression Fit
predprobit              Determine the Effective Dose from a Probit
                        Regression Fit
prettylog               Pretty Breakpoints on Log Scale
probit                  Convert Proportions to the Probit Scale
relPotency              Relative Potency of Two Toxins
