tbc loop change part 5

core/history.lua

@@ -65,12 +65,12 @@ function M.value(item_key)
 		item_record = read_record(item_key)
 		if getn(item_record.data_points) > 0 then
 			local total_weight, weighted_values = 0, temp-T
-			for _, data_point in item_record.data_points do
+			for _, data_point in pairs(item_record.data_points) do
 				local weight = .99 ^ round((item_record.data_points[1].time - data_point.time) / (60 * 60 * 24))
 				total_weight = total_weight + weight
 				tinsert(weighted_values, O('value', data_point.value, 'weight', weight))
 			end
-			for _, weighted_value in weighted_values do
+			for _, weighted_value in pairs(weighted_values) do
 				weighted_value.weight = weighted_value.weight / total_weight
 			end
 			value = weighted_median(weighted_values)
@@ -89,10 +89,10 @@ end
 function weighted_median(list)
 	sort(list, function(a,b) return a.value < b.value end)
 	local weight = 0
-	for i = 1, getn(list) do
-		weight = weight + list[i].weight
+	for _, v in ipairs(list) do
+		weight = weight + v.weight
 		if weight >= .5 then
-			return list[i].value
+			return v.value
 		end
 	end
 end