Thursday, February 9, 2012

Enhanced Statistics

How good is your guild? How good are you? Wowtrack has just been expanded to shed some (statistical) light on these eternal questions.

First of all, the guild pages now show a top percentage for both the status and the points earned by a guild in a patch:

This exemplary display means that the guild is in the top 14.5% of all guilds in its bracket with regard to its progression status, and in the top 16.7% of all same bracket guilds with regard to the points the guild has earned for its progression.

Detailed information is also provided for individual characters:

A statistics block like the one above now appears on all character pages (once a character has been updated, that is.) The block provides information on the progression status of the character, its item level and its PvP activity. There is absolutely no need to be afraid of the bar plot on the right, even if you are not a statistician:
  • The full bar covers the range of values that is indicated in the tooltip. In this example, average character item levels range from 310 to 410.
  • The highlighted area shows the value range of the middle half of all characters, that is of all characters except the bottom 25% and the top 25%. In statistics, this is also known as the interquartile range, or IQR for short. In this example, the middle 50% of characters have an average item level between 379 and 392.
  • The vertical bar marks the median. In this example, if you line up all characters by their average item level, the character that stands in the middle of that line happens to have an item level of 385.
  • The dot indicates the value of the character you are browsing. This is 405 in this example, putting the character into the top 0.1% of all characters with regard to its average item level.
These statistics are also provided in a more compact format as a history covering current and past patches:

Hovering over an individual statistic shows a tooltip with more detailed information.

Last but not least, the patch pages have been extended to provide summary statistics on all characters and guilds tracked by Wowtrack:

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