ellipse: Create multivariate ellipse. Randomly sample points from a...

Description Usage Arguments

Description

There are two ways to use this function. You can either supply a data set for which a multivariate normal ellipse will be drawn or you can supply the mean vector, covariance matrix and number of dimensions yourself.

Usage

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  ellipse(data, npoints = 1000, cl = 0.95,
    mean = colMeans(data), cov = var(data),
    df = nrow(data))

Arguments

data

data frame or matrix

npoints

number of points to sample

cl

proportion of density contained within ellipse

mean

mean vector

cov

variance-covariance matrix

df

degrees of freedom used for calculating F statistic


ggobi/clusterfly documentation built on May 17, 2019, 3:10 a.m.