Dear all,
I have uploaded to CRAN the version 1.7 of the package 'adehabitat'.
Significant changes are listed below:
* The Brownian bridge kernel estimation algorithm has been greatly
improved. It now takes more than 80% less time than the previous
version. A new function "liker" has also been added, which estimates
the
one of the two smoothing parameters of the bridge kernel using a maximum
likelihood approach (recommended in Horn et al., Ecology, in press).
Examples of the help page demonstrate the use and interest of this
function. Comparison between kernelbb and the Visual basic algorithm
provided in the paper of Horn et al. returned consistent results.
* The function kernelUD has also been improved. It now takes more than
50% less time than the previous version. In addition the "grid"
argument
of this function, now also allows a list of objects of class "asc" to
be
passed as grid where the UD should be estimated.
Happy testing,
Cl?ment Calenge.
--
Cl?ment CALENGE
LBBE - UMR CNRS 5558 - Universit? Claude Bernard Lyon 1 - FRANCE
tel. (+33) 04.72.43.27.57
fax. (+33) 04.72.43.13.88
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