The function returns the value of the Oja criterion function for a given point.
Usage
ojaMedianFn(X, x)
Arguments
X
a numeric data set or data matrix.
x
a numeric vector with the coordinates of interest.
Value
a numeric value containing the ciriterion evaluated at x for the data X.
References
Oja, H. (1983), Descriptive statistics for multivariate distributions, Statistics and Probability Letters, 1, 327--332.
Ronkainen, T., Oja, H. and Orponen, P. (2002), Computation of the multivariate Oja median, in Dutter R., Filzmoser P.,Gather U. and Rousseeuw, P. J.: Developments in Robust Statistics, Heidelberg: Springer, 344--359.