entropy | R Documentation |
Extract the entropy of a Maxent model from a lambdas
objects generated
by parse_lambdas()
.
entropy(x)
x |
A |
parse_lambdas()
project()
# Below we use the dismo::maxent example to fit a Maxent model:
if (require(dismo) && require(rJava) &&
file.exists(system.file('java/maxent.jar', package='dismo'))) {
fnames <- list.files(system.file('ex', package="dismo"), '\\.grd$',
full.names=TRUE )
predictors <- stack(fnames)
occurrence <- system.file('ex/bradypus.csv', package='dismo')
occ <- read.table(occurrence, header=TRUE, sep=',')[,-1]
me <- maxent(predictors, occ, path=file.path(tempdir(), 'example'),
factors='biome')
# ... and then parse the lambdas information:
lam <- parse_lambdas(me)
entropy(lam)
}
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