[R-sig-Geo] (adehabitat) compana() freezes on small dataset

Anne Ghisla a.ghisla at studenti.uninsubria.it
Mon May 26 10:35:12 CEST 2008

Hello all,

I'm running compositional analysis on red squirrel data.
I've got two datasets, one for summer and one for fall.
The summer dataset includes 6 animals and 5 habitats, and fall includes
9 animals and 5 habitats.

I ran the compana(used, avail, test="parametric") separately for the two
seasons, but only fall succeeded. Summer dataset causes R to freeze, and
the process must be killed.
Aebischer et al. 1993 fixes the absolute minimum as 6 animals. Is it the
same for compana() algorithm?

thank you in advance,

Anne Ghisla
Università dell'Insubria, Varese (IT)

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