An Automated Approach to Evaluating Dose-Effect Experiments Following Litchfield and Wilcoxon (1949)

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 |

fitlinear | Determine Linear Regression Coefficients from Dose-Effect... |

fitLWauto | Best Fit Using Litchfield and Wilcoxon Evaluation of... |

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 |

LW1949 | Automated Litchfield and Wilcoxon (1949) Evaluation of... |

LWchi2 | Chi-Squared Statistic |

LWestimate | Generate Litchfield and Wilcoxon Estimates |

LWnomo1 | Recreate Litchfield and Wilcoxon's Nomograph No. 1 |

LWP | User Friendly Evaluation of Dose-Effect Experiments using... |

nomoCoord | Find the Coordinate from the Scale of a Nomograph |

plotDE | Plot Dose-Effect Experiments |

plotDELP | Plot Dose-Effect Experiments |

predlinear | Determine the Effective Dose from a Linear Regression Fit |

predLines | Add Litchfield and Wilcoxon Predictions to a Plot |

predLinesLP | Add Litchfield and Wilcoxon Predictions to a Plot |

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 |

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