search for: birdatlas

Displaying 2 results from an estimated 2 matches for "birdatlas".

2011 Feb 10
2
Prediction accuracy from Bagging with continuous data
...g sample for each of the n trees produced, but I don't see this produced anywhere. Does anyone know of a means of getting a useful unbiased diagnostic for assessing overall fit? thanks Simon ____________________________________________________________ Sign-up for Bird Atlas 2007-11 at www.birdatlas.net ____________________________________________________________ Dr Simon Gillings Senior Research Ecologist - Land Use British Trust for Ornithology The Nunnery, Thetford, Norfolk, IP24 2PU, UK Tel +44(0)1842 750050 Fax +44(0)1842 750030 Charity No 216652 (England and Wales) Company Limited by Gua...
2011 Feb 18
0
Weights in bagged regression trees
..., method="poisson", coob=T, nbagg=30) #this fails b1w <- bagging(how_many ~ covariates, data=ttv.data.sk, weights, method="poisson", coob=T, nbagg=30) thanks in advance Simon ____________________________________________________________ Sign-up for Bird Atlas 2007-11 at www.birdatlas.net ____________________________________________________________ Dr Simon Gillings Senior Research Ecologist - Land Use British Trust for Ornithology The Nunnery, Thetford, Norfolk, IP24 2PU, UK Tel +44(0)1842 750050 Fax +44(0)1842 750030 Charity No 216652 (England and Wales) Company Limited by Gua...