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#1507: "Rolling several doubles"

fixed: Klaida pataisyta

Apie ką šis pranešimas?

Nardai #10149665

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2014 Sep 10. 00:30 • Agent807 • Klaida dar neištirta programuotojų:

2014 Sep 14. 22:03 • Hodor666 • Klaida dar neištirta programuotojų:

The do not seem random enough. In my last game, my opponent and I rolled doubles six times in a row between the two of us.

2014 Sep 15. 03:16 • sub0ptimal • Klaida dar neištirta programuotojų:

There is an usually high number of doubles in this game. At least 40% of the rolls in my last two games were doubles.

2014 Sep 15. 19:21 • hirokane • Klaida dar neištirta programuotojų:

It most of the times appears at the end of the game. It seems that at some points it is just mathematically possible to roll some doubles. One game my oponent rolled 7 doubles in 8 dice throws !

2014 Sep 16. 23:04 • grafi • Klaida dar neištirta programuotojų:

My opponent has rolled a double 5 or 6 times in row. It's very strange.

2014 Sep 17. 14:18 • Thirts • Klaida dar neištirta programuotojų:

In the games I have played, in the majority, there appears to be a bias in the number of doubles a side gets. I would say that the bias is running at the ratio of about 4:1

2014 Sep 18. 23:30 • Tyeor • Klaida dar neištirta programuotojų:

Got the same feeling. At the beginning, it could just be the fate but after 30 games, it's quite strange. Didn't count though but I'm sure the "ratio" is way beyond 6/36=1/6.

2014 Sep 22. 06:58 • Nyx • Klaida dar neištirta programuotojų:

The quantity of doubles in this game is much higher than in real life.

2014 Sep 22. 09:22 • bidulpik • Programuotojai nori daugiau informacijos, kad galėtų ištaisyti klaidą:

The probability of having a double is 1/6
Your game 10149665 had 14 double for 75 dice rolled
14 * 6 = 84 you had a bit more double than medium probability (75 / 6 = 12,5)

5917 games have been done, with a average number of double of 4.34 by game by player, it means 8.68 total double in a game for both player. It seems all right.
I'll add the "number of dice rolled by player" to increase statistic relevance.

The php function used is mt_rand
php.net/manual/en/function.mt-rand.php

I think you are just lucky (or not ;)

2014 Sep 22. 10:22 • grafi • Programuotojai nori daugiau informacijos, kad galėtų ištaisyti klaidą:

Meybe the average number of doubles is ok, but on some certain games the amount of doubles is HUUUGE. 2 days ago I played a game and me and my opponent rolled doubles in row (about 5 or 6 times each of us). Very strange! Maybe it was just plain luck, but I don't think you can ever reproduce it in real life.

2014 Sep 28. 09:38 • Darnoc • Programuotojai nori daugiau informacijos, kad galėtų ištaisyti klaidą:

Since you have the entire record of thousands of games, is there any way you could make that available for statistical analysis? The issue I *think* I see is that after a double, the next roll seems to have a greater than 1/36 chance of being the exact same double.

2014 Sep 28. 19:00 • DoubleSpliff • Programuotojai nori daugiau informacijos, kad galėtų ištaisyti klaidą:

game number 10402288. opponent rolled 6 doubles in first 7 throws of game! I gave up and conceded before he had chance to roll even more!

2014 Sep 29. 09:07 • bidulpik • Programuotojai nori daugiau informacijos, kad galėtų ištaisyti klaidą:

Hi,
here are the stat about games :
8797 games played
medium number of double by game = 4.34

2014 Sep 30. 02:49 • qwertasdfg • Programuotojai nori daugiau informacijos, kad galėtų ištaisyti klaidą:

to be able to put the median number of doubles per game into any relation we would need the median number of moves as well. otherwise the number can signify just about anything

2014 Sep 30. 05:00 • Liallan • Programuotojai nori daugiau informacijos, kad galėtų ištaisyti klaidą:

I've only completed one game of this, and am about to complete another. In the completed game, yes I got several doubles in a row, or at least close together, while I was bearing off. I wasn't keeping count but it did seem a bit odd. On my almost-completed current game I haven't seen that.

Interestingly, I have a computer version of this, and it seems my opponent gets doubles an extraordinary amount, especially while bearing off. Is there something about the way these are programmed that make them do odd things like that?

2014 Sep 30. 09:15 • bidulpik • Programuotojai nori daugiau informacijos, kad galėtų ištaisyti klaidą:

• qwertasdfg •
I put recently the stat of the number of dice rolled to be able to do real stats.

• Liallan •
each turn I call the same function mt_rand :s
no exception

2014 Oct 11. 23:11 • Freches_Feechen • Programuotojai nori daugiau informacijos, kad galėtų ištaisyti klaidą:

really to many doubles - that must be a bug! I never saw such many doubles in one game without doubling cube!

2014 Oct 30. 13:06 • bidulpik • Klaida pataisyta:

Hi,
game stats are up to date and I can give you results.
For the last 1000 games
25.84 dice has been rolled by games for
4,2 double

25.84 / 4.2 = 1 double every 6.15 rolls

Stat is fine.
The number of double is fine.

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#1507: "Rolling several doubles"

Apie ką šis pranešimas?

Kas nutiko? Pasirinkite iš žemiau esančio sąrašo

Kas nutiko? Pasirinkite iš žemiau esančio sąrašo

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