DataTable-stats {IRanges} | R Documentation |
A number of wrappers are implemented for performing statistical
procedures, such as model fitting, with DataTable
objects.
xtabs(formula = ~., data, subset, na.action,
exclude = c(NA, NaN), drop.unused.levels = FALSE)
:
Like the original xtabs
, except data
is a
DataTable
.
DataTable
for general manipulation,
DataFrame
for an implementation that mimics
data.frame
.
df <- DataFrame(as.data.frame(UCBAdmissions)) xtabs(Freq ~ Gender + Admit, df)