Randomly offset review delays (d8a3532)

Randomly offset review delays

John Smith commited on 2022-14 23:53:32
Showing 2 changed files, with 5 additions and 0 deletions.

Review delays will now be offset by a random amount, limited to 10%
of the originally calculated delay (in either direction).
This avoids the issue of prompts added on the same day repeatedly
appearing for review on the same day.

main.lua 35f1f4a..c4041f9
review.lua bcea3f9..18162ff

main.lua

View file @ d8a3532

@@ -84,6 +84,8 @@ if arg[2] then
     deckfname = arg[2]
 end
 
+math.randomseed(os.time())
+
 --[[
     do requested action
 ]]

review.lua

View file @ d8a3532

@@ -10,6 +10,9 @@ local function update(prompt, revtime, revsucc)
     if revsucc and revsucc > 0 then
         local ad = revtime - prompt.time
         prompt.delay = 2.5 ^ revsucc * (ad + math.max(40000 - 0.5 * ad, 0))
+        -- allowed random variation, as a fraction of the "optimal" duration
+        local ARV = 0.1
+        prompt.delay = prompt.delay * ((1 - ARV) + 2 * ARV * math.random())
         prompt.succ = prompt.succ + 1
     else
         prompt.delay = 30


...	...	@@ -84,6 +84,8 @@ if arg[2] then
84	84	deckfname = arg[2]
85	85	end
86	86
	87	+math.randomseed(os.time())
	88	+
87	89	--[[
88	90	do requested action
89	91	]]

...	...	@@ -10,6 +10,9 @@ local function update(prompt, revtime, revsucc)
10	10	if revsucc and revsucc > 0 then
11	11	local ad = revtime - prompt.time
12	12	prompt.delay = 2.5 ^ revsucc * (ad + math.max(40000 - 0.5 * ad, 0))
	13	+ -- allowed random variation, as a fraction of the "optimal" duration
	14	+ local ARV = 0.1
	15	+ prompt.delay = prompt.delay * ((1 - ARV) + 2 * ARV * math.random())
13	16	prompt.succ = prompt.succ + 1
14	17	else
15	18	prompt.delay = 30
16	19

memoire