Add bucketing des duels par différence de part de voix

analyse-duckdb.sql

@@ -132,6 +132,29 @@ FROM cleaned_undecided AS cu
 JOIN duels AS d
 ON d.circo_code = cu.circo_code;
 
+CREATE OR REPLACE TEMP TABLE projection AS
+WITH report AS (
+	SELECT dc.region, dc.circo, rvd."to" AS orientation, dc.exprimes * rvd.quantity AS projection
+	FROM tour_2 AS dc
+	JOIN report_voix_duel AS rvd
+	ON (
+		dc.orientation_candidat_1 = rvd.candidat_1 AND dc.orientation_candidat_2 = rvd.candidat_2
+		OR dc.orientation_candidat_1 = rvd.candidat_2 AND dc.orientation_candidat_2 = rvd.candidat_1
+		) AND rvd."from" = dc.orientation
+	ORDER BY circo_code
+), agg_projection AS (
+	SELECT region, circo, orientation, SUM(projection) AS projection
+	FROM report
+	GROUP BY region, circo, orientation
+	ORDER BY region, circo, orientation
+)
+SELECT 
+	region,
+	circo,
+	orientation,
+	projection / SUM(projection) OVER (PARTITION BY region, circo) AS projection
+FROM agg_projection
+
 -----
 
 -- Circonscriptions dans lesquelles il y a 2 candidats de même orientation
@@ -153,28 +176,90 @@ GROUP BY orientation_candidat_1, orientation_candidat_2
 ORDER BY n DESC;
 
 -- Après report de voix
-WITH report AS (
+WITH ordered_projection AS (
-	SELECT dc.region, dc.circo, rvd."to" AS orientation, dc.exprimes * rvd.quantity AS projection
-	FROM tour_2 AS dc
-	JOIN report_voix_duel AS rvd
-	ON (
-		dc.orientation_candidat_1 = rvd.candidat_1 AND dc.orientation_candidat_2 = rvd.candidat_2
-		OR dc.orientation_candidat_1 = rvd.candidat_2 AND dc.orientation_candidat_2 = rvd.candidat_1
-		) AND rvd."from" = dc.orientation
-	ORDER BY circo_code
-), agg_projection AS (
-	SELECT region, circo, orientation, sum(projection) AS projection
-	FROM report
-	GROUP BY region, circo, orientation
-	ORDER BY region, circo, orientation
-), ordered_projection AS (
 	SELECT 
 		*, 
 		ROW_NUMBER() OVER (PARTITION BY region, circo ORDER BY projection DESC) AS pos
-	FROM agg_projection
+	FROM projection
 )
 SELECT orientation, count(*) AS n
 FROM ordered_projection
 WHERE pos = 1
 GROUP BY orientation
 ORDER BY n DESC;
+
+
+-- Projection avec faible écart
+CREATE OR REPLACE TEMP TABLE difference AS
+WITH diff_null AS (
+	SELECT region, circo, ABS(projection - lag(projection) OVER (PARTITION BY region, circo)) AS diff
+	FROM projection
+	ORDER BY region, circo
+)
+SELECT * 
+FROM diff_null
+WHERE diff IS NOT NULL;
+
+
+WITH duels_circo AS (
+	SELECT DISTINCT circo_code, region, circo, orientation_candidat_1, orientation_candidat_2
+	FROM tour_2
+), diff_null AS (
+	SELECT 
+		region,
+		circo,
+		ABS(projection - lag(projection) OVER (PARTITION BY region, circo)) AS diff,
+		FIRST(orientation) OVER (PARTITION BY region, circo ORDER BY projection DESC) AS elu
+	FROM projection
+	ORDER BY region, circo
+), diff AS (
+	SELECT * 
+	FROM diff_null
+	WHERE diff IS NOT NULL
+), diff_orientation AS (
+	SELECT dc.*, d.diff, d.elu
+	FROM duels_circo AS dc
+	JOIN diff AS d
+	ON d.region = dc.region 
+		AND d.circo = dc.circo
+), bucket_diff_orientation AS (
+	SELECT 
+		orientation_candidat_1 || ' v ' || orientation_candidat_2 AS duel,
+		elu AS "projection élu",
+		SUM(CASE WHEN diff < 0.01 THEN 1 ELSE 0 END) AS "1%",
+		SUM(CASE WHEN diff < 0.02 THEN 1 ELSE 0 END) AS "2%",
+		SUM(CASE WHEN diff < 0.05 THEN 1 ELSE 0 END) AS "5%",
+		SUM(CASE WHEN diff < 0.10 THEN 1 ELSE 0 END) AS "10%",
+		SUM(CASE WHEN diff < 0.20 THEN 1 ELSE 0 END) AS "20%",
+		SUM(CASE WHEN diff < 0.50 THEN 1 ELSE 0 END) AS "50%",
+		COUNT(*) AS total
+	FROM diff_orientation
+	GROUP BY 
+		orientation_candidat_1,
+		orientation_candidat_2,
+		elu
+), ordered_bucket_diff_orientation AS (
+	SELECT 
+		*,
+		ROW_NUMBER() OVER (ORDER BY duel ASC, "projection élu" ASC) AS r
+	FROM bucket_diff_orientation
+), res AS (
+	SELECT * 
+	FROM ordered_bucket_diff_orientation
+	UNION ALL
+	SELECT 
+		'TOTAL' AS duel,
+		'' AS "projection élu",
+		SUM("1%") AS "1%",
+		SUM("2%") AS "3%",
+		SUM("5%") AS "5%",
+		SUM("10%") AS "10%",
+		SUM("20%") AS "30%",
+		SUM("50%") AS "50%",
+		SUM(total) AS total,
+		0 AS r
+	FROM ordered_bucket_diff_orientation
+)
+SELECT * EXCLUDE (r)
+FROM res
+ORDER BY r DESC