Stable Isotope Bayesian Ellipses in R

addEllipse | Adds an ellipse around some data to an existing plot |

allCentroidVectors | Plot the pairwise distances and angles describing the... |

bayesianLayman | Calculate Layman metrics on Bayesian postrior samples of a... |

bayesianOverlap | Calculate the overlap between two ellipses based on their... |

communityMetricsML | Calculate the point estimates of the Layman metrics for each... |

createSiberObject | Read in SIBER format data and generate the SIBER object |

demo.siber.data | Simulated d13C and d15N isotope-space data |

ellipseBackTransform | Back-transform a z-score siber ellipse to original location... |

ellipseInOut | Test whether a set of points are inside or outside a defined... |

ellipsoidTransform | Apply a normalisation transformation to vectors of data onto... |

extractPosteriorMeans | Extract posterior means from call to 'siberMVN' |

fitEllipse | Fit a multivariate normal distribution to x and y data using... |

genCircle | Create a sequence of points on a circle |

generateSiberCommunity | A utility function to simulate a single community comprised... |

generateSiberData | A utility function to simulate isotope data for several... |

generateSiberGroup | A utility function to simulate a single group of data |

groupMetricsML | Calculate maximum likelihood based measures of dispersion of... |

hullArea | Calculate the area of a convex hull given its coordinates |

laymanMetrics | Calculates the 6 Layman metrics on a vector of x and y data |

maxLikOverlap | Calculate the overlap between two ellipses based on the... |

plotCommunityHulls | Adds convex hulls to each community to an existing plot |

plotGroupEllipses | Adds ellipses to an existing plot for each of your groups |

plotGroupHulls | Plots illustrative convex hulls for each group within all... |

plotSiberObject | Creates an isotope biplot and provides a wrapper to ellipse... |

pointsToEllipsoid | Test whether a set of points are inside or outside a defined... |

posteriorSEA | Calculate the SEA based on a posterior distribution of Sigma |

SIBER | SIBER: A package for fitting Bayesian Ellipses to Stable... |

siberCentroids | Calculate the polar form of the vector between pairs of... |

siberConvexhull | Calculate metrics and plotting information for convex hulls |

siberDensityPlot | Plot credible intervals as shaded boxplots using... |

siberEllipses | Calculate the bayesian Standard Ellipse Area for all groups |

siberMVN | Fit Bayesian bivariate normal distributions to each group in... |

sigmaSEA | Calculate metrics corresponding to the Standard Ellipse based... |

specificCentroidVectors | Calculate the pairwise distances and angles describing the... |

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