Nothing
Code
incidence_("bob")
Condition
Error in `incidence_()`:
! Can't select within an unnamed vector.
Code
incidence_(dat, date_index = character())
Condition
Error in `incidence_()`:
! `date_index` must be of length 1 or more.
Code
incidence_(dat, date_index = bob)
Condition
Error in `incidence_()`:
! Can't select columns that don't exist.
x Column `bob` doesn't exist.
Code
incidence_(dat, date_index = dates, counts = character())
Condition
Error in `incidence_()`:
! `counts` must be NULL or a column in `x`.
Code
incidence_(dat, date_index = c(dates, dates2), counts = count)
Condition
Error in `incidence_()`:
! If `counts` is specified `date_index` must be of length 1.
Code
incidence_(dat, date_index = dates, counts = bob)
Condition
Error in `incidence_()`:
! Can't select columns that don't exist.
x Column `bob` doesn't exist.
Code
incidence_(dat, date_index = dates, counts = count, groups = 1)
Condition
Error in `incidence_()`:
! `date_index` columns must be distinct from `groups`.
Code
incidence_(dat2, date_index = dates)
Condition
Error in `incidence()`:
! POSIXlt date_index columns are not currently supported.
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