Displaying 1 result from an estimated 1 matches for "birdhabitat".
2013 Jan 18
1
Object created within a function disappears after the function is run
...ad.csv("birdmatrix.csv",stringsAsFactors=FALSE);
birdmatrixclean<-birdmatrix
habitatmatrix<-read.csv("habitatmatrix.csv",stringsAsFactors=FALSE);
habitatmatrixclean<-habitatmatrix
traits<-read.csv("traits.csv",stringsAsFactors=FALSE); traitsclean<-traits
birdhabitat<-merge(birdmatrix,habitatmatrix,by="SARBASINYEAR") #merge bird
and habitat data
data<-birdhabitat; data$SAR<-substr(data$SARBASINYEAR,1,3) #convenience;
create SAR variable
#make a FUNCTION to combine variables into models
dredgeit<-function(lm1){
dd1<-dredge(lm1,eval=FALS...