profileRotation {spinebil} | R Documentation |
Test rotation invariance of index functions for selected 2-d data set.
Description
Ideally a projection pursuit index should be roation invariant, we test this explicitly by profiling the index while rotating a distribution.
Usage
profileRotation(d, indexList, indexLabels, n = 200)
Arguments
d |
data (2 column matrix containing distribution to be rotated) |
indexList |
list of index functions to calculate for each entry |
indexLabels |
labels used in the output |
n |
number of steps in the rotation (default = 200) |
Value
index values for each rotation step
Examples
d <- as.matrix(sinData(2, 30))
indexList <- list(tourr::holes(), scagIndex("stringy"), mineIndexE("MIC"))
indexLabels <- c("holes", "skinny", "mic")
pRot <- profileRotation(d, indexList, indexLabels, n = 50)
plotRotation(pRot)
[Package spinebil version 0.1.6 Index]