Displaying 2 results from an estimated 2 matches for "marignani".
2005 Jan 27
2
Request for help
My name is Michela Marignani and I'm an ecologist trying to solve a problem
linked to knight' s tour algorithm.
I need a program to create random matrices with presence/absence (i.e. 1,0
values), with defined colums and rows sums, to create null models for
statistical comparison of species distribution phenomena.
I&...
2005 Jan 27
0
Request for help (reference details)
...e modifications Diaconis and Sturmfels make (the
"Metropolis" step).
Reid Huntsinger
-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Huntsinger, Reid
Sent: Thursday, January 27, 2005 10:50 AM
To: 'Michela Marignani'; r-help at stat.math.ethz.ch
Subject: RE: [R] Request for help
Persi Diaconis and Bernd Sturmfels have an article on generating random
contingency tables uniformly distributed subject to having fixed marginals
for the same purpose (null distribution of conditional test) and they used
Markov...