Merge and aggregate datasets: Difference between revisions
→{{header|Prolog}}: Better allow for "nan"
(→{{header|Prolog}}: Update both versions) |
(→{{header|Prolog}}: Better allow for "nan") |
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Line 875:
:- load_csv('visit.csv',visit(integer,date,float)).
:- load_csv('patient.csv',patient(integer,atom)).
is_nan(Number) :- number_codes(Number, [110,97,110|_]). %% "nan"
is_nan(Number) :- number_codes(Number, [78,97,78|_]). %% "NaN"
summaryDates(Id, Lastname, LastDate) :-
Line 903 ⟶ 906:
scores(Id)(Score) :-
visit(Id, _, Score),
\+is_nan(Score).
:- hilog maximum.
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