You should convert these duration values before loading the data to be used by Visual Analytics, since there are no operators within VA to handle this.
Find below an example on how to convert an ISO duration value into a SAS time value.
data test;
infile cards;
input iso8601_int : $32.;
length newtime 8;
call is8601_convert("du", "du", iso8601_int, newtime);
format newtime time.;
cards;
-PT20M
PT24H
PT25H
P3D
;
The $N8601B. informat converts a duration into a character representation, that later can be used with the CALL IS8601_CONVERT routine.
See also this paper https://www.pharmasug.org/proceedings/2012/DS/PharmaSUG-2012-DS22-SAS.pdf for additional information
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