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Merge and aggregate datasets: Difference between revisions

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Merge and aggregate datasets (view source)

Revision as of 01:52, 31 March 2024

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4004 Wirth 2020-11-05
===============</pre>
 
=={{header|FreeBASIC}}==
{{trans|C++}}
<syntaxhighlight lang="vbnet">Type Patient
ID As String
LastName As String
End Type
 
Type Visit
PatientID As String
Fecha As String
Score As Single
HasScore As Integer
End Type
 
Dim As Patient patients(5)
Dim As Visit visits(8)
 
patients(1).ID = "1001": patients(1).LastName = "Hopper"
patients(2).ID = "4004": patients(2).LastName = "Wirth"
patients(3).ID = "3003": patients(3).LastName = "Kemeny"
patients(4).ID = "2002": patients(4).LastName = "Gosling"
patients(5).ID = "5005": patients(5).LastName = "Kurtz"
 
visits(1).PatientID = "2002": visits(1).Fecha = "2020-09-10": visits(1).Score = 6.8: visits(1).HasScore = -1
visits(2).PatientID = "1001": visits(2).Fecha = "2020-09-17": visits(2).Score = 5.5: visits(2).HasScore = -1
visits(3).PatientID = "4004": visits(3).Fecha = "2020-09-24": visits(3).Score = 8.4: visits(3).HasScore = -1
visits(4).PatientID = "2002": visits(4).Fecha = "2020-10-08": visits(4).HasScore = 0
visits(5).PatientID = "1001": visits(5).Fecha = "" : visits(5).Score = 6.6: visits(5).HasScore = -1
visits(6).PatientID = "3003": visits(6).Fecha = "2020-11-12": visits(6).HasScore = 0
visits(7).PatientID = "4004": visits(7).Fecha = "2020-11-05": visits(7).Score = 7.0: visits(7).HasScore = -1
visits(8).PatientID = "1001": visits(8).Fecha = "2020-11-19": visits(8).Score = 5.3: visits(8).HasScore = -1
 
Print "| PATIENT_ID | LASTNAME | LAST_VISIT | SCORE_SUM | SCORE_AVG |"
For i As Integer = 1 To 5
Dim As String lastVisit = ""
Dim As Single sum = 0
Dim As Integer numScores = 0
For j As Integer = 1 To 8
If patients(i).ID = visits(j).PatientID Then
If visits(j).HasScore Then
sum += visits(j).Score
numScores += 1
End If
If visits(j).Fecha > lastVisit Then
lastVisit = visits(j).Fecha
End If
End If
Next j
Print "| "; patients(i).ID; " | ";
Print Using "\ \ | \ \ | "; patients(i).LastName; lastVisit;
If numScores > 0 Then
Print Using "#######.# | #######.#"; sum; (sum / Csng(numScores));
Else
Print " | ";
End If
Print " |"
Next i
 
Sleep</syntaxhighlight>
{{out}}
<pre>| PATIENT_ID | LASTNAME | LAST_VISIT | SCORE_SUM | SCORE_AVG |
| 1001 | Hopper | 2020-11-19 | 17.4 | 5.8 |
| 4004 | Wirth | 2020-11-05 | 15.4 | 7.7 |
| 3003 | Kemeny | 2020-11-12 | | |
| 2002 | Gosling | 2020-10-08 | 6.8 | 6.8 |
| 5005 | Kurtz | | | |</pre>
 
=={{header|F_Sharp|F#}}==
Line 798 ⟶ 865:
 
=={{header|Harbour}}==
 
Harbour does not have special values for NA or NaN, and missing numerical values are represented as zeros. In the following, we have used -999 for missing scores.
 
<syntaxhighlight lang="xbase">
#xcommand INSERT INTO <table> ( <uField1>[, <uFieldN> ] ) VALUE ( <uVal1>[, <uValN> ] ) => ;
&& SQL-like INSERT command (note the variable number of arguments)
#xcommand INSERT INTO <table> ->(dbAppend()); <uField1table>->[, <uFieldNuField1> ] ) VALUES (:= <uVal1> [,; <uValNtable>-><uFieldN> ] ) :=> ;<uValN>]
#xcommand INSERT INTO <table>-> (dbAppend()); <table>-><uField1uFieldList,...> :=) VALUES ( <uVal1uValList1,...> ) [;, ( <table>-><uFieldNuValListN,...> :)] = <uValN> ];
INSERT INTO <table> ( <uFieldList> ) VALUE ( <uValList1> ) ;
[; INSERT INTO <table> ( <uFieldList> ) VALUE ( <uValListN> )]
&& Singular cases (so we can use VALUES for all instances)
#xcommand INSERT INTO <table> (<uField>) VALUE (<uVal>) => ;
<table>->(dbAppend()); <table>-><uField> := <uVal>
#xcommand INSERT INTO <table> ( <uFieldList,...> ) VALUES ( <uValList,...> ) => ;
INSERT INTO <table> ( <uFieldList> ) VALUE ( <uValList> )
 
PROCEDURE Main()
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SET DATE FORMAT "yyyy-mm-dd"
SET SOFTSEEK ON
 
&& create and populate the patient table
pStruct := {{"patient_id", "n", 8, 0}, {"lastname", "c", 10, 0 }}
dbCreate( "patient", pStruct,, .T., "patient" )
INSERT INTO patient (patient_id, lastname) VALUES (1001, "Hopper"), (4004, "Wirth"), ;
INSERT INTO patient (patient_id3003, lastname"Kemeny") VALUES, (2002, "WirthGosling"), (5005, "Kurtz")
INSERT INTO patient (patient_id, lastname) VALUES (3003, "Kemeny")
INSERT INTO patient (patient_id, lastname) VALUES (4004, "Gosling")
INSERT INTO patient (patient_id, lastname) VALUES (5005, "Kurtz")
INDEX ON patient_id TO pat_id
Line 823 ⟶ 895:
vStruct := {{"patient_id", "n", 8, 0}, {"visit_date", "d", 10, 0}, {"score", "n", 8, 1}}
dbCreate( "visit", vStruct,, .T., "visit" )
INSERT INTO visit (patient_id, visit_date, score) VALUES (2002, ctod("2020-09-10"), 6.8), ;
INSERT INTO visit (patient_id1001, visit_datectod("2020-09-17"), score5.5) VALUES, (10014004, ctod("2020-09-0724"), 58.54), ;
INSERT INTO visit (patient_id2002, visit_datectod("2020-10-08"), score-999) VALUES, (40041001, ctod("20201900-0901-2401"), 86.46), ;
INSERT INTO visit (patient_id3003, visit_datectod("2020-11-12"), VALUES-999), (20024004, ctod("2020-1011-0805"), 7.0), ;
(1001, ctod("2020-11-19"), 5.3)
INSERT INTO visit (patient_id, score) VALUES (1001, 6.6)
INSERT INTO visit (patient_id, visit_date) VALUES (3003, ctod("2020-11-12"))
INSERT INTO visit (patient_id, visit_date, score) VALUES (4004, ctod("2020-11-12"), 7.0)
INSERT INTO visit (patient_id, visit_date, score) VALUES (1001, ctod("2020-11-19"), 5.3)
INDEX ON patient_id TO visit_id
 
&& create the result table
rStruct := { {"patient_id", "n", 8, 0}, {"lastname", "c", 10, 0}, ;
{"n", "i", 8, 0}, {"sum_score", "n", 8, 1}, ;
{"avg_score", "n", 8, 1}, {"max_date", "d", 10, 0}}
dbCreate("report", rStruct,, .T., "report")
 
SELECT visit
&& left join: for each patient
SELECT patient
DO WHILE ! Eof()
xCurId := patient_id && grouping variable
aAgg := {0, 0, 0.0, ctod("1900-01-01")} && initial values
SELECT visit
DO WHILE ! Eof() .AND. xCurId == patient_id
LOCATE FOR patient_id==xCurId
aAgg := {1+aAgg[1], iif(score==-999,aAgg[2],1+aAgg[2]), ;
IF found()
iif(score==-999, aAgg[3], score+aAgg[3]), max(visit_date, aAgg[4])} && update
&& aggregate within visits for a given patient
SKIP
aAgg := {0, 0.0, ctod("19000101")} && initial values
ENDDO
DO WHILE ! Eof() .AND. xCurId == patient_id
INSERT INTO report (patient_id, n, sum_score, avg_score, max_date) ;
aAgg := {1+aAgg[1], score+aAgg[2], max(visit_date, aAgg[3])} && update
VALUES (xCurId, aAgg[1], aAgg[3], aAgg[3]/aAgg[2], aAgg[4])
SKIP
ENDDO
INSERT INTO report (patient_id, lastname, n, sum_score, avg_score, max_date) ;
VALUES (xCurId, patient->lastname, aAgg[1], aAgg[2], aAgg[2]/aAgg[1], aAgg[3])
ELSE
INSERT INTO report (patient_id, lastname) VALUES (xCurId, patient->lastname)
END IF
SELECT patient
SKIP
ENDDO
 
SELECT report
INDEX ON patient_id TO report_id
 
SELECT patient
SET RELATION TO patient_id INTO report
? "NUM", "PATIENT_ID", "LASTNAME", "N", "SUM_SCORE", "AVG_SCORE", "MAX_DATE"
LIST patient_id, lastname, report->n, report->sum_score, report->avg_score, report->max_date
 
RETURN</syntaxhighlight>
Line 870 ⟶ 934:
 
<pre>NUM PATIENT_ID LASTNAME N SUM_SCORE AVG_SCORE MAX_DATE
1 1001 Hopper 3 17.4 5.8 2020-11-19
24 2002 Wirth Gosling 2 6.8 36.48 2020-10-08
3 3003 Kemeny 1 0.0 0.0 2020-11-12
42 4004 GoslingWirth 2 15.4 7.7 2020-11-1205
5 5005 Kurtz 0 0.0 0.0 - - </pre>
 
Line 2,413 ⟶ 2,477:
{{libheader|Wren-sort}}
{{libheader|Wren-fmt}}
<syntaxhighlight lang="ecmascriptwren">import "./fmt" for Fmt
import "./sort" for Sort
 
class Patient {
Jjuanhdez
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