The EnvStats functions listed below are useful for performing calibration and inverse prediction to determine the concentration of a chemical based on a machine signal.

Function Name | Description |

`anovaPE` | Compute lack-of-fit and pure error ANOVA table for a |

linear model. | |

`calibrate` | Fit a calibration line or curve. |

`detectionLimitCalibrate` | Determine detection limit based on using a calibration |

line (or curve) and inverse regression. | |

`inversePredictCalibrate` | Predict concentration using a calibration line (or curve) |

and inverse regression. | |

`pointwise` | Pointwise confidence limits for predictions. |

`predict.lm` | Predict method for linear model fits. |

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