Bug #3963
RExpression2 - support mixed lists output from R
Start date:
04/07/2009
Due date:
% Done:
0%
Estimated time:
Bugzilla-Id:
3963
Description
The RExpression2 actor does not preserve the type of the elements in the following R snippet:
list(1, "b", 3)
The token generated is:
{{"1.0"}, {"b"}, {"3.0"}}
Which is an Array of String Arrays rather than an array of mixed arrays.
We should preserve as much type information as possible when generating output tokens
History
#1 Updated by ben leinfelder about 11 years ago
for mixed-type lists that contain strings, all items will end up as strings in Ptolemy. arrayType(scalar, ...) tokens could be created, but only if it was a mix of doubles, integers, and/or booleans (no strings)
#2 Updated by ben leinfelder about 11 years ago
the R expression:
list(1, TRUE, 3)
preserves the numeric/boolean typing in the list:
{{1.0}, {true}, {3.0}}
This is consistent with ptolemy's handling of the mixed array
#3 Updated by Redmine Admin over 7 years ago
Original Bugzilla ID was 3963