Add comment

src/stats/outliers_logic.js

@@ -81,6 +81,15 @@ const getOutliers = function (quantiles, reversedQuantiles, length) {
   return { outliersMin, outliersMax }
 }
 
+// Maximum percentage of min|max outliers.
+// This is done independently for outliersMax|Min so they do not influence each
+// other.
+// A higher value:
+//  - Is more likely to result in very high outlier percentages on some edge
+//    cases, for example on a distribution with a continuous, very exponential
+//    slope.
+//  - Is more likely to include significant data instead of outliers only.
+// A lower value reduces the benefits of outliers removal.
 const OUTLIERS_LIMIT = 0.05
 
 // We only increment the index by 1, even if the `for` loop used several