These functions are provided for compatibility with older versions of memisc only, and may be defunct as soon as the next release.
fapply(formula,data,...) # calls UseMethod("fapply",data)
# S3 method for default
fapply(formula, data, subset=NULL,
names=NULL, addFreq=TRUE,...)
a formula. The right hand side includes one or more grouping variables separated by '+'. These may be factors, numeric, or character vectors. The left hand side may be empty, a numerical variable, a factor, or an expression. See details below.
an environment or data frame or an object coercable into a data frame.
an optional vector specifying a subset of observations to be used.
an optional character vector giving names to the
result(s) yielded by the expression on the left hand side of formula
.
This argument may be redundant if the left hand side results in is a named vector.
(See the example below.)
a logical value. If TRUE and
data
is a table or a data frame with a variable
named "Freq", a call to
table
, Table
, percent
, or nvalid
is supplied by an additional argument Freq
and a call to table
is translated into
a call to Table
.
further arguments, passed to methods or ignored.