[Biomod-commits] Invalid 'Size' Argument

[Samiya Ahmed]

Hi,

I am a novice user of BIOMOD and I cannot get it to run my models. This is
the error I am getting:
Modelling summary
-----------------------------------
Number of species modelled :            5
Sp1, Sp2, Sp3, Sp4, Sp5

numerical variables :                   Variable1, Variable2, Variable3,
Variable4, Variable5, Variable7, Variable8, Variable9, Variable10,
Variable11, Variable12, Variable13, Variable14, Variable15, Variable16,
Variable17, Variable18, Variable19


number of evaluation repetitions :      3
number of pseudo-absences runs :        0
models selected :                       ANN, CTA, GAM, GLM, MARS, MDA, RF,
SRE
total number of model runs :            160
-----------------------------------


#####                    Sp1                    #####
Error in sample(which(ref == 1), ceiling(npres * ratio)) :
  invalid 'size' argument


Attached is my actual data. Is the problem that I have too many 0s? I
basically got the point data on all 5 species and just separated them out
and put in 1s and 0s. How else can I arrange the data and what does this
error mean?

Thank you,
Samiya
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.r-forge.r-project.org/pipermail/biomod-commits/attachments/20100320/1931b5e6/attachment-0001.htm 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: spe.env.csv
Type: application/octet-stream
Size: 24022 bytes
Desc: not available
Url : http://lists.r-forge.r-project.org/pipermail/biomod-commits/attachments/20100320/1931b5e6/attachment-0001.obj