View source: R/is.na.timeDay.R
is.na.timeDay | R Documentation |
Indicate which elements are missing.
## S3 method for class 'timeDay' is.na(x)
x |
the object to be tested. |
A logical vector of the same length as its argument x
,
containing TRUE
for those elements marked NA
and FALSE
otherwise.
is.na(as.timeDay(c("10:30", "11:00")))
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