> On 16 Jun 2017, at 15:59 , Robert McGehee <[email protected]> wrote:
>
> For instance, what would you expect to get from unlist() if each element of
> the list had different levels, or were both ordered, but in a different way,
> or if some elements of the list were factors and others were ordered factors?
>> unlist(list(ordered(c("a","b")), ordered(c("b","a"))))
> [1] ?
Those actually have the same levels in the same order: a < b
Possibly, this brings the point home more clearly
unlist(list(ordered(c("a","c")), ordered(c("b","d"))))
(Notice that alphabetical order is largely irrelevant, so all of these level
orderings are equally possible:
a < c < b < d
a < b < c < d
a < b < d < c
b < a < c < d
b < a < d < c
b < d < a < c
).
-pd
--
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Office: A 4.23
Email: [email protected] Priv: [email protected]
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