Displaying 3 results from an estimated 3 matches for "gnesfa".
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ganesha
2008 Apr 22
4
Modeling presence only data in R
Dear All,
I have a set of environental maps and presence-only points for some species.
How can I generate distributions models on R using these presence-only data?
What packages and functions can I use to do so?
Kind regards,
Miltinho
Brazil
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2007 May 31
0
adehabitat version 1.6
...anagltraj),
demo(analysisltraj), demo(nichehs).
* the package now contains a new function allowing the exploration of
the ecological niche, which generalizes several factor analyses (ENFA,
MADIFA, ...) and is closely related to several methods (Mahalanobis
distances, selection ratios, etc.), named gnesfa() (see the examples of
the help page for the properties of this analysis).
* The class ltraj now distinguishes two types of trajects: type I (time
not recorded, e.g. tracks of animals in the snow) and type II (time
recorded, e.g. GPS monitoring). Trajects of type II may either be
"regular&quo...
2007 May 31
0
adehabitat version 1.6
...anagltraj),
demo(analysisltraj), demo(nichehs).
* the package now contains a new function allowing the exploration of
the ecological niche, which generalizes several factor analyses (ENFA,
MADIFA, ...) and is closely related to several methods (Mahalanobis
distances, selection ratios, etc.), named gnesfa() (see the examples of
the help page for the properties of this analysis).
* The class ltraj now distinguishes two types of trajects: type I (time
not recorded, e.g. tracks of animals in the snow) and type II (time
recorded, e.g. GPS monitoring). Trajects of type II may either be
"regular&quo...