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Thread: Item rarity research

  1. #21

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    Finally, point of this whole scripting: I've created table of probabilities/DL (it's on that website)

  2. #22
    Join Date
    Mar 2008
    Location
    Kentucky
    Posts
    5,067

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    So from now on we should dip rings only on D:26?
    "Whip me!" pleads the adom player. The rng replies... "No."

  3. #23

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    There were some rounding/overflow errors, now both tables are corrected.
    Pure probability for djinn ring:
    djinn.jpg
    Seem strange, not enough data?:P
    But for dipping rather conditional probability in group should be used?

  4. #24
    Join Date
    Jan 2010
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    941

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    Yes, conditional probability of RODS given a ring is generated, I would think. ADOM basically assigns a number to an item and then that number over the sum of all item numbers for a given DL or below are then used to determine generation. (so, four DL1 items a, b, c, d with numbers: 20, 1000, 500, 40 would have probability 20/1590, 1000/1590, 500/1590, 40/1590 to be generated. adding in a DL 2 e with number 2 item wouldn't affect DL1 generation, but on DL2 the probability would be changed to 20/1592, 1000/1592, 500/1592, 40/1592 and 2/1592 respectively for a,b,c,d,e. at least, from my understanding!). So, depending on what DL rings can be generated at (surely RoDS is one of highest DLs?), it may be most beneficial to use lowest DL..
    gate closers: GeWi GnMo(unarmed) DeAs/Pa/Mi(staves)/Ra GePr DrBb HrMo | p7: MeBf | p17: GnPr | p20: DrDu GnAs DeCk MeWp OrBf GnTh MeHe | R57: MeDu | R101: DrAs (26,674 turns) GnDu (26,748) DrAs (18,533)
    ULE: HeRa — OCG: DeMi
    currently speedrunning DrAs.

  5. #25
    Join Date
    Jun 2009
    Location
    Okinawa, Japan
    Posts
    254

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    Wouldn't the best way to find the ideal DL for dipping be to take the number of RoDS generated divided by the total number of rings generated, and go with the highest number? Obviously a level that gives 2000 rings for every 100,000 items will have more RoDS than a level that gives 500 (unless that level is over 4x morel likely to generate RoDS...), but that isn't a very useful number for gauging how likely you are to get one from dipping. (where 100% of the items generated will be rings) That is unless there's something I'm missing.

  6. #26
    Join Date
    Jan 2010
    Posts
    941

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    No, of course you are right. The rest of my post, I guess, diverges from my actual conclusion which is that you should consider probability of RODS given that a ring is generated (conditional probability). The rest of the post is more expository in tone, for the uneducated.

    edit: no offense meant by uneducated, of course. Hopefully by context you see I don't mean uneducated in the classical sense.
    Last edited by SirTheta; 01-28-2013 at 03:25 AM.
    gate closers: GeWi GnMo(unarmed) DeAs/Pa/Mi(staves)/Ra GePr DrBb HrMo | p7: MeBf | p17: GnPr | p20: DrDu GnAs DeCk MeWp OrBf GnTh MeHe | R57: MeDu | R101: DrAs (26,674 turns) GnDu (26,748) DrAs (18,533)
    ULE: HeRa — OCG: DeMi
    currently speedrunning DrAs.

  7. #27

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    As among the items there were lots of statues(~16K), I've added empirical DLs of monsters(DL of monster=DL of it's statue?)

  8. #28

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    I'm back! Preliminary rarity (chance for item is 1/this value, so 1000 means 1/1000): https://docs.google.com/spreadsheets..._8yhbJ/pubhtml
    It seems that there are no big between priest, wizard and fighter, apart from spellbook chance for casters being 1/20 instead of 1/200.
    Any suggestions what else to look for? Do we expect some class to have something else differently?

    New items:
    adamantium hand axe
    boots of levitation
    bracers of boxing
    bracers of empowerment
    bracers of lifting
    bracers of piety
    bracers of precision
    bracers of purity
    bracers of resilience
    bracers of strength
    eternium hand axe
    healer's robe
    large truesilver hammer
    large truesilver shield
    medium truesilver shield
    mithril hand axe
    mithril scalpel
    potion of self-mutilation
    ring of levitation
    robe of purity
    robe of the eyes
    small truesilver shield
    staff of beauty
    staff of charisma
    staff of corruption dissemination
    staff of dampening
    staff of dexterity
    staff of hair loss
    staff of learning
    staff of levitation
    staff of magical insights
    staff of mana
    staff of minor volcano summoning
    staff of mundane insights
    staff of nourishment
    staff of pain
    staff of parting water
    staff of perception
    staff of prayers
    staff of purification
    staff of recovery
    staff of regeneration
    staff of rejuvenation
    staff of sensing traps
    staff of strength
    staff of the earthshaker
    staff of the swirling mind
    staff of the thunderclap
    staff of toughness
    staff of undead slaying
    staff of unearthing secrets
    staff of willpower
    tower truesilver shield
    truesilver arrow
    truesilver battle axe
    truesilver boots
    truesilver broadsword
    truesilver cap
    truesilver chain mail
    truesilver dagger
    truesilver flail
    truesilver full plate armor
    truesilver girdle
    truesilver halberd
    truesilver hand axe
    truesilver long spear
    truesilver long sword
    truesilver mace
    truesilver plate mail
    truesilver quarrel
    truesilver rapier
    truesilver ring mail
    truesilver sabre
    truesilver scale mail
    truesilver scalpel
    truesilver scimitar
    truesilver-shod quarterstaff
    truesilver short sword
    truesilver sling bullet
    truesilver spear
    truesilver splint mail
    truesilver two-handed sword
    truesilver warhammer
    wand of Grond
    Last edited by cromat; 10-08-2017 at 11:55 PM.

  9. #29
    Join Date
    Dec 2008
    Location
    Moscow, Russia
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    Quote Originally Posted by cromat View Post
    I'm back! Preliminary rarity (chance for item is 1/this value, so 1000 means 1/1000): https://docs.google.com/spreadsheets..._8yhbJ/pubhtml
    It seems that there are no big between priest, wizard and fighter, apart from spellbook chance for casters being 1/20 instead of 1/200.
    Any suggestions what else to look for? Do we expect some class to have something else differently?

    New items:
    Haha, and we were worrying about new items on the wiki. And here you arrive to deliver us from the darkness! Are you going to do massive tests for DL-calculation?
    I like my women like my ADOM loot - hunted as treasure and in extra quantity.

  10. #30

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    Quote Originally Posted by _Ln_ View Post
    Haha, and we were worrying about new items on the wiki. And here you arrive to deliver us from the darkness! Are you going to do massive tests for DL-calculation?
    Glad to help Yes, if there is interest I will do it

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