
Hello forum,


I 
want to do a test of independence 
with svychisq, but I 
get an error, then this my code:
 
am18 <-   read.spss("C:/Users/diana/Dropbox/Semestre 
10/Tesis 10/Tesis Diana/AMcomuna18-29MAR2012.sav",
   use.value.labels=TRUE, max.value.labels=Inf, 
to.data.frame=TRUE)
b<-matrix(c(am18$N6_MANZANA),ncol=1)
c<-matrix(c(am18$PM1_1_PONDEMUESTRA),ncol=1)
d<-matrix(c(am18$M1_3_ESTRATO),ncol=1)
e<-matrix(c(rep(0.078,315)),ncol=1)
Muestra.comp<-svydesign(id=~b,strata 
=~d,nest=TRUE,weights=~c,data=am18, fpc=~e) 
 
ocupacion  
<-matrix(c(am18$M1_19_OCUPACIONPRINCIPALACTUAL),ncol=1)
APES<-matrix(c(am18$M3_11_AUTOPERCEPCIONSALUDGENERAL),ncol=1)
 
tbl1<-svytable(~ocupacion+APES,Muestra.comp)
summary(tbl1, statistic="Chisq")
 
     Error en 
`[.data.frame`(design$variables, , as.character(rows)) : 
      undefined columns 
selected
 when I call am18 at the 
end says it is a data.frame 
(to.data.frame = TRUE))
and by that I aprace error.

I would appreciate help 
with this problem

 
 
  		 	   		  
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