L.mat {pendensity} | R Documentation |
Calculating the differences matrix 'L' of order 'm', depending on the number of knots 'k'.
L.mat(penden.env)
penden.env |
Environment of pendensity() |
Returns the difference matrix of order 'm' for given number of knots 'K'.
The needed values are saved in the environment.
Right now, the difference matrix is implemented for m=1,2,3,4.
Christian Schellhase <cschellhase@wiwi.uni-bielefeld.de>
Penalized Density Estimation, Kauermann G. and Schellhase C. (2009), to appear.