R help - Dec 2013 - SDM using BIOMOD2 error message

Hi 

I am working on Species Distribution Modeling in R using BIOMOD2. When
picking my algorithms to model I keep getting an error message about length
(pred) 

this is the code that I'm using 

library(knitr) 
library(markdown) 
library(rgdal) 
library(raster) 
library(shapefiles) 
library(biomod2) 
library(dismo) 
library(sp) 
library(rgeos) 
library(maptools) 
library(MigClim) 

setwd("V:/BIOCLIM") 
bio2 <- raster("bio_2.bil") 
bio5 <- raster("bio_5.bil") 
bio6 <- raster("bio_6.bil") 
bio15 <- raster ("bio_15.bil") 
bio18 <- raster ("bio_18.bil") 
bio19 <- raster ("bio_19.bil") 

bio2 <- crop (bio2, extent (-112,-105,34,39)) 
bio5 <- crop (bio5, extent (-112,-105,34,39)) 
bio6 <- crop (bio6, extent (-112,-105,34,39)) 
bio15 <- crop (bio15, extent (-112,-105,34,39)) 
bio18 <- crop (bio18, extent (-112,-105,34,39)) 
bio19 <- crop (bio19, extent (-112,-105,34,39)) 

envStack <-stack (bio2, bio5,bio6,bio15,bio18, bio19) 

rm 

#bring in your presence or presence/absence data 
setwd("C:/Users/Lindsie/Documents/R") 
BH <- read.csv("occurrence_BH.csv") 
head(BH) 

myBiomodData=BIOMOD_FormatingData(resp.var=as.matrix(BH[,3]),expl.var=envStack,resp.xy=BH[,1:2],resp.name="Huntii",
PA.nb.rep=2, PA.nb.absences=909, PA.strategy="random",na.rm=TRUE) 

myBiomodOption <- BIOMOD_ModelingOptions() 

*myBiomodModelOut <- BIOMOD_Modeling(myBiomodData, models
c("GLM","GBM","GAM","CTA","ANN","SRE","FDA","MARS","RF"),
models.options myBiomodOption, NbRunEval = 1, DataSplit = 70, Yweights = NULL,
VarImport 3, models.eval.meth = c("ROC", "TSS",
"KAPPA"), SaveObj = TRUE,
rescal.all.models = TRUE)*


at this point I get an error message that says 

*Error in length(pred) : 'pred' is missing
*
any suggestions?   

Thanks



--
View this message in context:
http://r.789695.n4.nabble.com/SDM-using-BIOMOD2-error-message-tp4681993.html
Sent from the R help mailing list archive at Nabble.com.

>
> I think it is a problem with your directory setting & changing your 
> directory. 


When you make your enviro stack you set your directory to: 
setwd("V:/BIOCLIM") 

Then when you import your species coordinates and presence/absence status 
you change your directory to:
setwd("C:/Users/Lindsie/Documents/R") 

Then you try to run your model & R says " 'pred' is
missing" ~ because it
cannot find your raster stacks. 

CHANGE YOUR  R DIRECTORY BACK TO WHERE YOU STORED YOUR ENVIRONMENTAL LAYERS 
PRIOR TO RUNNING THE MODEL!!!!!
myBiomodModelOut <- BIOMOD_Modeling(myBiomodDa...