Add ratio buckets' aggregate analysis

src/one-shot/questions.sh

@@ -15,6 +15,8 @@ set -e
 <"domains.parts.expanded.public-suffix.classified.disconnect.json" "${BASH_SOURCE%/*}/../util/parallel-chunks.sh" "${BASH_SOURCE%/*}/../questions/ratio-buckets.sh" > "ratio-buckets.json"
 # TODO: parallelize question aggregation?
 <"ratio-buckets.json" "${BASH_SOURCE%/*}/../questions/ratio-buckets.aggregate.sh" > "ratio-buckets.aggregate.json"
+# TODO: parallelize question analysis?
+<"ratio-buckets.aggregate.json" "${BASH_SOURCE%/*}/../questions/ratio-buckets.aggregate.analysis.sh" > "ratio-buckets.aggregate.analysis.json"
 
 # Regroup disconnect's categories and organizations
 <"aggregates.analysis.json" "${BASH_SOURCE%/*}/../questions/disconnect.categories.organizations.sh" "prepared.disconnect.services.json" > "aggregate.disconnect.categories.organizations.json"

src/questions/ratio-buckets.aggregate.analysis.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+set -e
+
+read -d '' getRatioBucketAggregateAnalysis <<-'EOF' || true
+def averageIndices:
+	. as $array
+	| reduce range(0; length) as $index(
+		[];
+		. + [
+			{
+				index: $index,
+				value: $array[$index]
+			}
+		]
+	)
+	| map(
+		.diff = (
+			.value - 0.5
+			| if . < 0 then . * -1 else . end
+		)
+	)
+	| (map(.diff) | min) as $min
+	| map(select(.diff == $min))
+	| map(.index);
+
+def averageIndexMinimum:
+	0 as $min
+	| .[$min];
+
+def averageIndexMiddle:
+	(((length - 1) / 2) | floor) as $mid
+	| .[$mid];
+
+def averageIndexMaximum:
+	(length - 1) as $max
+	| .[$max];
+
+def getAverageIndiceRange:
+	averageIndices
+	| {
+		minimum: averageIndexMinimum,
+		middle: averageIndexMiddle,
+		maximum: averageIndexMaximum,
+	};
+
+def getAverageIndiceRanges:
+	with_entries(
+		.value.analysis = {}
+		| .value.analysis.index = {}
+		| .value.analysis.index.average = (.value.normalized.cumulative | getAverageIndiceRange)
+	);
+
+.ratios |= getAverageIndiceRanges
+| .occurrences |=  getAverageIndiceRanges
+EOF
+
+jq "$getRatioBucketAggregateAnalysis"