The is.format
function can be used to determine if an object is a
user-defined format of class "fmt".
is.format(x)
A user-defined format of class "fmt".
A logical value or TRUE or FALSE.
The is.format
function returns TRUE if the object passed is a
user-defined format. User-defined formats are defined using the value
function. See the value
function help for further details.
value
to define a format,
condition
to define the conditions for a format, and
fapply
to apply the format to a vector.
Other fmt:
as.data.frame.fmt()
,
as.fmt()
,
as.fmt.data.frame()
,
condition()
,
labels.fmt()
,
print.fmt()
,
value()