| case/variable.names {stats} | R Documentation |
Simple utilities returning (non-missing) case names, and (non-eliminated) variable names.
case.names(object, ...) ## S3 method for class 'lm': case.names(object, full = FALSE, ...) variable.names(object, ...) ## S3 method for class 'lm': variable.names(object, full = FALSE, ...)
object |
an R object, typically a fitted model. |
full |
logical; if TRUE, all names (including zero weights,
...) are returned. |
... |
further arguments passed to or from other methods. |
A character vector.
lm; further, all.names,
all.vars for functions with a similar name but only slightly
related purpose.
x <- 1:20
y <- x + (x/4 - 2)^3 + rnorm(20, sd=3)
names(y) <- paste("O",x,sep=".")
ww <- rep(1,20); ww[13] <- 0
summary(lmxy <- lm(y ~ x + I(x^2)+I(x^3) + I((x-10)^2),
weights = ww), cor = TRUE)
variable.names(lmxy)
variable.names(lmxy, full= TRUE)# includes the last
case.names(lmxy)
case.names(lmxy, full = TRUE)# includes the 0-weight case