Talk:Item level
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General Discussion 
Edit
This section is for the article, not the contents. E.g. how to break up sections, how to organize the page, etc.
Is anyone else working or watching Item_level? I don't want to duplicate effort. Hunding (talk) 23:29, 7 March 2009 (UTC)
iLevel Edit
What is this tendency to write iLevel instead of ilevel? The "i" of ilevel has nothing to do with the Apple meme of putting a lowercase "i" followed by a capital letter in the name of their products. —This unsigned comment is by Άλεχανδροσ (talk • contribs) 20:40, November 28, 2011. Please sign your posts with ~~~~!
- People use "iLevel" to distinguish between "i"tem and "L"evel, not any connection to an Apple meme. --
Fandyllic (talk · contr) 1 Dec 2011 6:00 PM Pacific
Archived Edit
As the discussion page was getting excessively long and had info dating to 2006, I archived it. Hunding (talk) 02:52, 1 March 2009 (UTC)
Stuff to rework Edit
Calculating Item Level Edit
A plot of item budget vs ilvl for WOTLK armor epics with a slotmod of 1 (ilvl 200, 213, 226) gave a best fit of ItemSlotValue = 1.6*ilvl-152.8 with R^2 of 0.99174, or ilvl = ItemSlotValue/1.6 + 95 Hunding (talk) 09:33, 8 March 2009 (UTC)
StatMods Edit
Currently pre-3.0, so needs updating for WOTLK (spell damage/healing -> spell power change, maybe other changes). I can easily get most of the values from ItemRandomSuffix. Hunding (talk) 23:26, 7 March 2009 (UTC)
DPS Sacrifice Edit
This section needs re-work to be updated to 3.0, as spell damage and healing have disappeared. Hunding (talk) 23:26, 7 March 2009 (UTC)
Logarithmic Equation for Item Levels Edit
After a discussion with Falk on the Elitist Jerks message board, I came up with these formulas to calculate item levels for epics and rares. For epics:
iLvl = 105.92 * Ln(itemSlotVal) - 342.12
and for rares:
iLvl = 97.632 * Ln(itemSlotVal) - 287.14
These equations give correct epic item levels from Naxxramas to the newly discovered iLevel 239 and 252 PvP epics. The equation for rares matches rares from AQ20 and ZG up to the iLevel 200 rares from heroics. Adriathys (talk)
- I'm working on doing some linear fits to get better coefficients, but this definitely fits epics from late sunwell to ilvl 252 PVP gear not yet released, when ignoring weapons, where I am not 100% confident on the coefficients. Also, it seems to me that having the formula in the form itemSlotVal = A · e ilvl/b is a more logical way to represent it, and also more likely that that is how Blizzard does it internally, going in the direction of ilvl to budget.
- The fit I'm doing is first a fit on stat coefficients, then a fit for itemSlotVal(ilvl). I get the first fit by taking
| ∑ | (mksk)p = (f(ilvl)slot)p |
| k |
, where s is the value of the stat and m is the statmod coefficient for that stat and doing a multivariable fit with the data 
, where the powers are done to each element, and b=mp, and K is a problem-specific parameter for each fit on each ilvl. I set the coefficent for stats and ratings to be 1Hunding (talk) 20:46, 9 March 2009 (UTC)
Weapon DPS and Armor Value Edit
Doing some simple calculations I found that weapon DPS seems to closely follow a quadratic function of itemLevel.
http://elitistjerks.com/f15/t44718-item_level_mechanics/p3/#post1152313 Thorgred (talk) 13:17, 17 March 2009 (UTC)
Sockets Edit
My ideas for sockets seem to have become 'fact'. Truthiness ftw. Is anyone able to look into sockets and see whether the 'subtract stats to make a socket' is still a good idea?
