likert
results.
"xtable"(x, caption = NULL, label = NULL, align = NULL, digits = NULL, display = NULL, auto = FALSE, include.n = TRUE, include.mean = TRUE, include.sd = TRUE, include.low = TRUE, include.neutral = (x$nlevels%%2 != 0), include.high = TRUE, include.levels = TRUE, include.missing = TRUE, center = (x$nlevels - 1)/2 + 1, ordered = TRUE, ...)
xtable
for more information.center = 3
would use the third level as the center whereas
center = 3.5
would indicate no specific level is the center but
<= 3="" are="" low="" levels="" and="">= 4 are high levels (i.e. used for forced choice
items or those without a neutral option). This also influences which levels
are summarized in the low and high groups.=>summary.likert