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lib/rating.js

@@ -0,0 +1,17 @@
+function biasValuation(count, min, avrg, avrg_const)
+{
+	return ((count / (count + min)) * avrg) + ((min / (min + count)) * avrg_const);
+}
+
+const rating = (good, bad) => {
+	if (good + bad > 0)
+	{
+		return biasValuation(good + bad, 9, good / (good + bad), 0.45);
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+module.exports = rating;