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Current weightings values have been extrapolated
using a special method. You can view the details about this by going to the Weightings page.
Weightings
Unfortunaly the information regarding modifier weightings is not part of the game client's data anymore. This means we
can't know the exact numbers as we could with Path of Exile 1. For the time being I've devised a method to get a good
idea of modifier weightings.
Current method
The data is obtained from parsing trade-site listings. This data is consolidated and each item has its modifiers matched
to actual game modifiers which gives an overview of the general distribution (weight).
Then a normalization script is applied to apply breakpoints to the weighting numbers and create familiar curves. A
normalization script between base groups is also applied to ensure consistency across similar base types for similar
modifiers.
The higher the number of items parsed the better.
Caveats
Items from the trade site can generally have a bias towards more desired mods and/or higher tier mods. I try to keep
this at a minimum by parsing the lowest value listings as high value listings will tend to have better mods. That being
said in some cases its necessary to go up in value listings because some modifiers are so desirable and rare that they
only appear meaningfully past a certain price point.
A good balance is needed to get the broadest view and is evaluated on a case by case basis. This bias is accounted for
in part in the normalization script.
I'm sure these are not perfect and there might be errors or inconsistencies but the goal is to at least give a rough
idea of which modifiers and tiers are rarer or more common instead of having it shrouded in mystery and feelings.
Please note that anytime there is a new patch applied to the game its possible
that
weightings have been changed. If at
all viable I will try to obtain data again when there are major patches applied to keep weightings relevant.
Credits
Gathering this data is especially arduous, special thanks to Echo Shop and
QuackQuack for big help in this
endeavour.
