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  1. #41
    Player
    Coramac's Avatar
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    Sep 2013
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    112
    Character
    Coramac Mallestone
    World
    Balmung
    Main Class
    Armorer Lv 50
    Quote Originally Posted by Hachiko View Post
    I forget how to calculate statistical significance, but the difference if it is dependent (i.e. simulates a multi-roll table) is less than if it were independent (.34/6.58 < .35/4.35). The fact that it's closer if you use that model AND the fact that the Parry rates work out if you use the other model seems to make me lean towards concluding that they are dependent variables, and, effectively, having a higher block rate would reduce the number of crits you receive. Might be worth testing with a very high block rate shield v. a very low block rate shield.
    That's not a way to evaluate probabilities.

    I think the crazier thing is that in both sambles (though yours moreso) is that the Shield gave a significant amount of evasion...
    No, it didn't.

    I don't understand how you can say that the evasion "matches up almost perfectly" when there's a relative difference of 13.8% to 12.5%, that's 1.3% points difference, or roughly a 10% relative difference. The difference if the crit chance is dependent was only .34%, or a 5% relevant difference.
    Then don't run the numbers. Assuming 13% is the actual evasion, the StDev is 15. sqrt(2001*.13*(1-.13)) = 15. Expected value is 260. 252 is within 1 sigma. 277 is slightly more than 1 sigma. "Relative difference" is meaningless. For block then parry, we're in very slightly under 2 sigma. Acceptable, but moving away. Larger sample sizes are needed to reduce StDev.
    (1)

  2. #42
    Player
    Hachiko's Avatar
    Join Date
    Oct 2011
    Posts
    433
    Character
    Shaenrael Calgarawyn
    World
    Lamia
    Main Class
    Marauder Lv 50
    Quote Originally Posted by Coramac View Post
    Assuming 13% is the actual evasion, the StDev is 15. sqrt(2001*.13*(1-.13)) = 15. Expected value is 260. 252 is within 1 sigma. 277 is slightly more than 1 sigma. "Relative difference" is meaningless. For block then parry, we're in very slightly under 2 sigma. Acceptable, but moving away. Larger sample sizes are needed to reduce StDev.
    Seems like both crit and parry work out better in the situation I've described, then.

    The standard deviation for crits, if it's a multi roll table is (assuming "6% crit rate") 8.9. Expected crits for the WAR is then 83. 87 is within less than one standard deviation. For Paladin, you would have a pool of 1215, you have a Std Deviation of 8.27, and a expected value of 72, which again, puts the crit rate of the paladin within slightly less than one standard deviation.

    For parry, then, we would have to assume the numbers are completely off in terms of % in the APP. So instead we wold divide Parry/(Non-miss hits), i.e. 356/ (2001-252) = 20.3%. Actual parries. Since this is so close I dont think it's necessary to worry about expected value / standard deviation, since we're basically exactly on where the expected value is due to just guessing we are right.

    Now check it on the PLD 308/(2001-277-201) = 20.2% actual parries.

    The data fit the multi-roll simulation table FAR better than any single roll table. I don't see how you can say block then parry puts it slightly under 2 sigma. If you do block then parry they have almost exactly the same actual parry rate, and essentially the same crit rate.
    (1)

  3. #43
    Player
    Coramac's Avatar
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    Sep 2013
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    112
    Character
    Coramac Mallestone
    World
    Balmung
    Main Class
    Armorer Lv 50
    I agree it's multi-roll now without a doubt. Ninjii's idea of testing on lower level mobs to drastically increase evasion rates was really smart. I agree the check is: miss (dodge) -- Block -- Parry -- Hit. Where Crit goes I'm not as confident yet. My testing while being attack from behind to eliminate parry shows crit rates well below 6%. If he'd posted his raw data, this would probably be easy to determine with sample sizes of ~10000 attacks.
    (2)

  4. #44
    Player
    Ninjiitstu's Avatar
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    Sep 2013
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    72
    Character
    Check Mate
    World
    Cactuar
    Main Class
    Gladiator Lv 50
    Quote Originally Posted by Coramac View Post
    I agree it's multi-roll now without a doubt. Ninjii's idea of testing on lower level mobs to drastically increase evasion rates was really smart. I agree the check is: miss (dodge) -- Block -- Parry -- Hit. Where Crit goes I'm not as confident yet. My testing while being attack from behind to eliminate parry shows crit rates well below 6%. If he'd posted his raw data, this would probably be easy to determine with sample sizes of ~10000 attacks.
    I didn't know to save that *&%*. I wasn't testing that! :-P

    If I get time later this week I will replicate it again.
    (1)

  5. #45
    Player
    Gamemako's Avatar
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    Aug 2013
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    795
    Character
    Elysia Mazda
    World
    Coeurl
    Main Class
    Armorer Lv 50
    I don't really have anything to contribute at this time, but keep up the good work!
    (1)

  6. #46
    Player
    Coramac's Avatar
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    Sep 2013
    Posts
    112
    Character
    Coramac Mallestone
    World
    Balmung
    Main Class
    Armorer Lv 50
    Quote Originally Posted by Ninjiitstu View Post
    I didn't know to save that *&%*. I wasn't testing that! :-P

    If I get time later this week I will replicate it again.
    What a waste... I'm guessing based on my parsing that you took 10000 total normal attacks (parser doesn't do well with non-normal attacks); I was getting ~50% evasion on mobs up to 36 (didn't test 37 but accuracy increased on 38, must be a cap around 50%). That's like 6+ hours a parse?

    I'll take a look at your dex stuff tomorrow; left my laptop (and Excel) at the office over the weekend.
    (0)
    Last edited by Coramac; 10-07-2013 at 06:37 AM.

  7. #47
    Player
    Ninjiitstu's Avatar
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    Sep 2013
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    72
    Character
    Check Mate
    World
    Cactuar
    Main Class
    Gladiator Lv 50
    Quote Originally Posted by Coramac View Post
    What a waste... I'm guessing based on my parsing that you took 10000 total normal attacks (parser doesn't do well with non-normal attacks); I was getting ~50% evasion on mobs up to 36 (didn't test 37 but accuracy increased on 38, must be a cap around 50%). That's like 6+ hours a parse?

    I'll take a look at your dex stuff tomorrow; left my laptop (and Excel) at the office over the weekend.
    I took 5000 normal attacks per test. Like 25k total hits. It took, basically from early morning till when I posted. Something like 14 hours total, though I wasn't sitting there watching the entire time, lol.
    (0)

  8. #48
    Player
    Taemek's Avatar
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    Jun 2013
    Location
    Ul'Dah
    Posts
    199
    Character
    Taemek Frozenberg
    World
    Tonberry
    Main Class
    Marauder Lv 50
    Quote Originally Posted by Coramac View Post
    I agree it's multi-roll now without a doubt. Ninjii's idea of testing on lower level mobs to drastically increase evasion rates was really smart. I agree the check is: miss (dodge) -- Block -- Parry -- Hit. Where Crit goes I'm not as confident yet. My testing while being attack from behind to eliminate parry shows crit rates well below 6%. If he'd posted his raw data, this would probably be easy to determine with sample sizes of ~10000 attacks.
    Crit is more then likely a 1 roll table rule based of hit and then directly weighted by % modifications to crit.

    Don't forget, that deviations will always be present, this is the law of a *chance* based system. It just boils down to the user at where they draw a line on what they feel to be acceptable or not at the range of deviation that is present.
    (0)

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