Displaying 1 result from an estimated 1 matches for "semvar".
2009 May 01
1
computationally singular and lack of variance parameters in SEM
...2, NA
Ants->Herbivory,bet21, NA
?read.table
sem<-sem(ram=ramcor,S=CorMatrix,N=80,fixed.x=c('Coccoids','Space'))
var(data)
VarMatrix<-matrix(c(
+ 0.73, 0, 0, 0,
+ -86.11, 35877.52, 0, 0,
+ -23.46, 11569.9, 5620.26, 0,
+ 0.82, 346.83, 138.21, 34.81),ncol=4,byrow=T)
semVar<-sem(ram=ramcor,S=VarMatrix,N=80,fixed.x=c('Coccoids','Space'))
Many thanks for any help.
Beth
--
****************************************************
Elizabeth G. Pringle
Department of Biology
Stanford University
Stanford, CA 94305
(Tel): 650-725-6791
(Fax): 650-462-596...