Resource: Roll and Keep Probability

Post all your Out Of Character threads here.
Post Reply
User avatar
Vutall
Posts: 4903
Joined: Tue Apr 28, 2020 8:27 am

Resource: Roll and Keep Probability

Post by Vutall » Sun Jun 07, 2020 6:39 pm

In case you are curious what a dice roll should normally come out to, here is a link to an online dice probability calculator for the Roll and Keep system.

https://web.archive.org/web/20160126005 ... ility/#9k3
__________
Primary colors divide us and love us
Eye on the others surviving among us
American pie getting sliced up above us
Trickling down while we're dying of hunger.

User avatar
Kaito Kai
Posts: 195
Joined: Wed Jun 03, 2020 7:14 pm

Re: Resource: Roll and Keep Probability

Post by Kaito Kai » Sun Jun 07, 2020 6:48 pm

Everyone's favorite probability table is back up and running under its own domain apart from Web Archive (at least as of early June 2020).

https://lynks.se/probability/
Phoenix Clan • Miko (Monk) • Fortunate • Pacifist • For Something Greater • A Bit Odd
Honor: What Is Expected | Status: 2.0 | Glory: 2.6 | Topaz Points: 34
Gear: Priests Robes, Sandals, Fan, Divination Tools, Yumi

User avatar
Kaito Haruki
Posts: 1006
Joined: Wed May 27, 2020 9:09 am

Re: Resource: Roll and Keep Probability

Post by Kaito Haruki » Fri Jun 12, 2020 10:49 am

Is there any site that gives the l5r probability for if you're trying for low numbers?
Proper full name is Isawa Kunio of House Kaito: Bushi,Courtier Mons: Chest: Phoenix R Shoulder: Isawa L Shoulder: Kaito Honor: 6.1 Glory: 4.9 Status: 2 Wound Status: Healthy Phoenix Clan TP: 224
Water Bottle, Coin Purse, Fan, Jade Finger

User avatar
Vutall
Posts: 4903
Joined: Tue Apr 28, 2020 8:27 am

Re: Resource: Roll and Keep Probability

Post by Vutall » Fri Jun 12, 2020 12:07 pm

You mean like when you specifically choose to keep the low dice? Not that I know of unfortunately.
__________
Primary colors divide us and love us
Eye on the others surviving among us
American pie getting sliced up above us
Trickling down while we're dying of hunger.

User avatar
Iuchi Prashant
Posts: 888
Joined: Thu Jun 11, 2020 5:13 am

Re: Resource: Roll and Keep Probability

Post by Iuchi Prashant » Fri Jun 12, 2020 1:30 pm

What would you like exactly? The average and standard deviation of the lowest dice in XkY rolls, or the probability of rolling less than or equal to a given value if keeping the lowest dice? Or maybe something different?

I might be able to come up with something on R if it's one of the above that you're looking for.
Adult name: Iuchi Prashstam
Unicorn Clan * Shugenja/Artisan * "Pu-ra-what?" * Ascetic * Friendly smile * Monk-y

Honor: Exceptional * Status:1 * Glory:2.9 * Infamy: 0.5 * Topaz Pt: 211 (End D5)
Items: Purple/gray robes, sandals, trinket satchel, copy of the Tao, stone with 'cup' kanji.
Description Pt2
Theme
Speaking in Tegensai
Speaking in Ujik

User avatar
Kaito Haruki
Posts: 1006
Joined: Wed May 27, 2020 9:09 am

Re: Resource: Roll and Keep Probability

Post by Kaito Haruki » Fri Jun 12, 2020 7:41 pm

Would like the odds to roll X or less
Proper full name is Isawa Kunio of House Kaito: Bushi,Courtier Mons: Chest: Phoenix R Shoulder: Isawa L Shoulder: Kaito Honor: 6.1 Glory: 4.9 Status: 2 Wound Status: Healthy Phoenix Clan TP: 224
Water Bottle, Coin Purse, Fan, Jade Finger

User avatar
Iuchi Prashant
Posts: 888
Joined: Thu Jun 11, 2020 5:13 am

Re: Resource: Roll and Keep Probability

Post by Iuchi Prashant » Fri Jun 12, 2020 10:16 pm

I'll see if I can come up with something (or find something)!
Adult name: Iuchi Prashstam
Unicorn Clan * Shugenja/Artisan * "Pu-ra-what?" * Ascetic * Friendly smile * Monk-y

Honor: Exceptional * Status:1 * Glory:2.9 * Infamy: 0.5 * Topaz Pt: 211 (End D5)
Items: Purple/gray robes, sandals, trinket satchel, copy of the Tao, stone with 'cup' kanji.
Description Pt2
Theme
Speaking in Tegensai
Speaking in Ujik

User avatar
Togashi Dao
Posts: 462
Joined: Tue May 19, 2020 6:05 am

Re: Resource: Roll and Keep Probability

Post by Togashi Dao » Sat Jun 13, 2020 12:17 pm

Can't you just use the supplied tool to calculate odds of rolling greater than X and then subtract from 1?
Dragon Clan • Monk • Battlemaster •
Honor: Expected • Status: 2.0 • Glory: 1.7 • Infamy: 1,0
Gear: Student Clothing, Go set.

User avatar
Seppun Suzuran
Posts: 47
Joined: Sat May 16, 2020 5:00 am

Re: Resource: Roll and Keep Probability

Post by Seppun Suzuran » Sat Jun 13, 2020 1:16 pm

Togashi Dao wrote:
Sat Jun 13, 2020 12:17 pm
Can't you just use the supplied tool to calculate odds of rolling greater than X and then subtract from 1?
That would give you the odds of rolling under with keeping the highest dice, absolutely. If you have a 70% chance of rolling equal or higher than X, then you have a 30% chance of rolling lower. The tools work for that.

If one is asking about staying under a certain number while keeping the lowest, however... that probably isn't represented in those tools. Keeping low has been exceedingly rare in all my years running/playing outside of sparing/dueling damage rolls, so it's just not come up.
Imperial ❀ Seppun ❀ Bushi ❀ Stubborn ❀ Dedicated
Ascetic ❀ Can't Lie ❀ Idealistic ❀ Contrary

Honor:Exceptional, Glory: 0.5, Status: 1.0, Dojo Points:
Casual Wear: Pink yukata with the mon of the Seppun in white, white obi and headband

User avatar
Kaiu Aiichiro
Posts: 1770
Joined: Sun May 17, 2020 10:27 pm

Re: Resource: Roll and Keep Probability

Post by Kaiu Aiichiro » Sun Jun 14, 2020 11:05 am

Seppun Suzuran wrote:
Sat Jun 13, 2020 1:16 pm
Togashi Dao wrote:
Sat Jun 13, 2020 12:17 pm
Can't you just use the supplied tool to calculate odds of rolling greater than X and then subtract from 1?
That would give you the odds of rolling under with keeping the highest dice, absolutely. If you have a 70% chance of rolling equal or higher than X, then you have a 30% chance of rolling lower. The tools work for that.

If one is asking about staying under a certain number while keeping the lowest, however... that probably isn't represented in those tools. Keeping low has been exceedingly rare in all my years running/playing outside of sparing/dueling damage rolls, so it's just not come up.
I only kept lower dice once and it was because of Shinjo ancestor that I decided to interpretate as "no unnecessary bloodbath if you can bring your opponent down to Out instead".
◘ Crab Clan ♦ Bushi/Artisan ♦ ProfileJournal ♦ UTC -4 ♦ Rolls List Status | 2.0 ♦ Glory | 3.5 ♦ Topaz Points | 208
Health › Healthy (15) ♦ Honor › What is expected.
Carry › Sturdy clothing, sandals, haori, finger of jade, war fans, water bottle, fan, coin bag, 1 koku and 10 zeni.
Mons › Back: Crab Clan | Left shoulder: Kaiu | Right chest: Personal mon

Post Reply

Return to “Out Of Character”