ofa {fiberLD} | R Documentation |
Example of increment core data
Description
Simulated data of cell lengths of both cut and uncut fines and fibres from an increment core (as measured by means of an optical fiber analyzer). The data were simulated from a censored version of a mixture of the fine and fiber length distributions under the assumption that the true lengths of those cells (fines and fibers) that at least partially appear in the increment core follow generalized gamma distributions. Useful for illustrating the use of fled()
. The values of the parameters of the mixture density are par=c(0.32, 0.001, 0.2757,5.022, 2.4, 3.3, 1.5)
, and the radius of the core is r=2.5mm
.
Usage
data(ofa)
Format
ofa
is a vector of 3000 cell lengths simulated from the density
dx.mixture(x, par, r=2.5, model="ggamma")
with parameters
par=c(0.32, 0.001, 0.2757, 5.022, 2.4, 3.3, 1.5)
.
References
Svensson, I., Sjöstedt de Luna, S., Bondesson, L. (2006). Estimation of wood fibre length distributions from censored data through an EM algorithm. Scandinavian Journal of Statistics, 33(3), 503–522.