Stable Isotope Bayesian Ellipses in R

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**addEllipse:**Adds an ellipse around some data to an existing plot**allCentroidVectors:**Plot the pairwise distances and angles describing the...**allgroups:**The entire set of Geese isotope data**bayesianLayman:**Calculate Layman metrics on Bayesian posterior samples of a...**bayesianOverlap:**Calculate the overlap between two ellipses based on their...**communityMetricsML:**Calculate the point estimates of the Layman metrics for each...**concdepdemo:**A set of concentration dependence values for stable isotope...**correctionsdemo:**A set of trophic discrimination factors for brent geese...**createSiberObject:**Read in SIBER format data and generate the SIBER object**demo.siber.data:**Simulated d13C and d15N isotope-space data**demo.siber.data.2:**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...**geese1demo:**A single group of the geese data**geese2demo:**A single group of the geese data**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**kapow:**KAPOW!**laymanMetrics:**Calculates the 6 Layman metrics on a vector of x and y data**maxLikOverlap:**Calculate the overlap between two ellipses based on the...**mongoose:**A set of isotope observations for mongooses nested within...**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 scatterplot and provides a wrapper to...**pointsToEllipsoid:**Test whether a set of points are inside or outside a defined...**posteriorSEA:**Calculate the SEA based on a posterior distribution of Sigma**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**siberKapow:**Calculates the boundary of a union of ellipses**siberMVN:**Fit Bayesian bivariate normal distributions to each group in...**SIBER-package:**SIBER: Stable Isotope Bayesian Ellipses in R**sigmaSEA:**Calculate metrics corresponding to the Standard Ellipse based...**sourcesdemo:**A set of isotope observations on food sources of brent geese**specificCentroidVectors:**Calculate the pairwise distances and angles describing the...**Browse all...**

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