Displaying 1 result from an estimated 1 matches for "combod23".
2009 Nov 13
1
spss imports--trouble with to.data.frame
.... But
### we saw warnings, and wanted to be careful.
d2 <- as.data.frame(d2)
d2$whichSurvey <- 2
d3 <- read.spss("ESS2e03_1.por")
d3 <- as.data.frame(d3)
d3$whichSurvey <- 3
namesd2 <- names(d2)
namesd3 <- names(d3)
commonNames <- intersect( namesd3, namesd2)
combod23 <- rbind(d2[ , commonNames], d3[, commonNames])
save(combod23, file="combod23.Rda")
## Error
##Warning messages:
##1: In `[<-.factor`(`*tmp*`, ri, value = c(NA, NA, NA, NA, NA, NA, NA, :
## invalid factor level, NAs generated
##2: In `[<-.factor`(`*tmp*`, ri, value = c(NA, N...