try this
> 0.3-0.1 == 0.2
[1] FALSE
> round(0.3-0.1,1)==round(0.2,1)
[1] TRUE
liov
2009/4/21 Marc Schwartz
> On Apr 21, 2009, at 5:55 AM, Duncan Murdoch wrote:
>
> On 21/04/2009 3:48 AM, Petr PIKAL wrote:
>>
>>> Hi
>>> r-help-boun...@r-project.org napsal dne 20.04.2009 19:01:46:
>>>
wolf
Have you try principal component analysis to reduce space variables?
2009/5/19 Nora PĂ©rez
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> Dear colleagues,
>
> I am trying a glm.nb for the distribution of a plant species with 93
> environmental variables. I execute the instruction and I get the following
> message: "Error: C
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