4th corner analysis ade4 - what do the colors mean - R-help

Fri, Jan 20, 2012 9:39 PM #

I have used the fourthcorner function as suggest by dray and legendre 
(model 2 and 4 then combine).  I plot the combined value with 
plot(four.comb, type="G").  What do the colors mean?  I have both grey 
and black bars.
many thanks,

Stephen

Stephen Sefick
**************************************************
Auburn University
Biological Sciences
331 Funchess Hall
Auburn, Alabama
36849
**************************************************
sas0025 at auburn.edu
http://www.auburn.edu/~sas0025
**************************************************

Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods.  We are mammals, and have not exhausted the annoying little problems of being mammals.

                                 -K. Mullis

"A big computer, a complex algorithm and a long time does not equal science."

                               -Robert Gentleman

Mark Difford

Fri, Jan 20, 2012 10:34 PM #

On Jan 21, 2012; 7:39am stephen sefick wrote:

The help file for fourthcorner plainly tells you (sub Details). You can also
work out the meaning by looking at the summary statistics:

"The function plot produces a graphical representation of the results (white
for non siginficant, light grey for negative sgnificant and dark grey for
positive suignficant relationships)."

Regards, Mark.

-----
Mark Difford (Ph.D.)
Research Associate
Botany Department
Nelson Mandela Metropolitan University
Port Elizabeth, South Africa
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stephen sefick

Sat, Jan 21, 2012 7:10 AM #

Many apologies, I missed that line in the help file.  Thanks for all of the
help.
kindest regards,

Stephen Sefick 

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