Using TemporalData`DropTimes

Question

I'm not able to figure out how the undocumented command TemporalData`DropTimes described here works. For example, I have TemporalData like

temp = TemporalData[{{1, 1}, {2, 4}, {3, 9}}]

and want to get rid of the last point, but

TemporalData`DropTimes[temp, 3]

doesn't do anything. Anyone have any ideas, either using DropTimes or otherwise?

Do you need to trim events off of the start and end or delete events in the middle? — Edmund, Jul 25 '16 at 01:09
I must assume that this is because TemporalData reduces the time specification internally to an iterator of the form {1, 3, 1}. You can check it by temp@"UnexpandedRawTimes". Nevertheless, I have no idea yet how to make it work. — István Zachar, Jul 25 '16 at 07:51
Also it seems like that internals have been changed since v.9 because some examples in the link thread are not working anymore. — István Zachar, Jul 25 '16 at 07:57

score 1 · Accepted Answer · answered Jul 25 '16 at 09:43

1

You may use TimeSeriesWindow.

TimeSeriesWindow[temp, {1, 2}]

(* TemporalData[Time: 1 to 2 Data points: 2 Paths: 1] *)

TimeSeriesWindow gives the events the fall between the window specified.

Hope this helps.

answered Jul 25 '16 at 09:43

Edmund

1 Answers1