Tools for modeling niches and distributions of species

aucWeighted | Calculate weighted AUC |

compareNiches | Metrics of niche overlap |

compareResponse | Compare two response curves along one or more predictors |

contBoyce | Calculate the Continuous Boyce Index (CBI) with weighting |

contBoyce2x | Calculate the Continuous Boyce Index (CBI) with weighting... |

convertTropicosCoords | Convert coordinates from TROPICOS records to decimal degrees |

coordPrecision | Calculate the precision of a geographic coordinate |

dmsToDecimal | Convert geographic coordinates in degrees-minutes-second to... |

dot-calcTol | Automatically calculate tolerance for null model point... |

dot-randPointsReturn | Return output common to "randPointsRespecting~" functions |

dot-sampleRastSubregion | Select random points from a portion of a raster |

elimCellDups | Thin spatial points so that no more than one point falls... |

Fpb | Calculate the Fpb measure of model accuracy across multiple... |

FpbOneThreshold | Calculate the Fpb measure of model accuracy for a single... |

geoFold | Assign geographically-distinct k-folds |

geoThin | Thin geographic points (mostly) deterministically |

geoThinApprox | Thin geographic points stochastically |

getCRS | Return a "proj4" string for a datum and projection |

longLatRasters | Generate rasters with cell values equal to cell longitude or... |

makeLarsData | Add columns to a data matrix to represent polynomial and... |

mop | Identify similar points in two sets using mobility-oriented... |

nicheOverlap | Calculate niche overlap as per Broennimann et al. (2012) |

pointDist | Calculate distance matrix between geographic points |

predictEnmSdm | Generic predict function for LMs, GLMs, GAMs, RFs, BRTs,... |

predictLars | Predict using Least Angle Regression (LARS) model |

predictMaxEnt | Predict a MaxEnt model object (with optional feature-level... |

randPointsBatch | Iterate "randPointsRespecting..." functions. |

randPointsBatchExtract | Updates a list of random points with environmental data from... |

randPointsBatchNicheOverlap | Niche overlap for a set of iterated "randPointsRespecting~"... |

randPointsBatchSampled | Returns collated set of sampled sites from a set of... |

randPointsRespectingSelf | Randomizes geographic points while observing spatial... |

randPointsRespectingSelfOther1 | Randomizes the location of two sets of geographic points... |

randPointsRespectingSelfOther2 | Randomizes the location of two sets of geographic points... |

sampleRast | Sample random points from a raster with/out replacement |

sampleRastStrat | Sample random points in a stratfied manner from a raster... |

trainBrt | Calibrate a boosted regresion tree (generalied boosting... |

trainCrf | Calibrate a conditional random forest model |

trainGam | Calibrate a generalized additive model (GAM) |

trainGlm | Calibrate a generalized linear model (GLM) |

trainGlmDredge | Calibrate a generalized linear model (GLM) |

trainLars | Calibrate a least angle regression (LARS) model |

trainMaxEnt | Calibrate a Maxent (ver 3.3.3- or "maxent") model using AICc |

trainMaxNet | Calibrate a Maxent (ver 3.4.0+ or "maxnet") model using AICc |

trainNs | Calibrate a natural splines model |

trainRf | Calibrate a random forest model |

xToCoords | Extract geographic coordinates from data frame, matrix, or... |

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