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  1. #1
    Kathroman's Avatar
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    Faction Wide Prices

    Just logged into TUJ this afternoon and noticed that the pages have undergone some changes.

    There is now a stat displaying the US (faction) market value and the US (faction) mean. Seems like a nice addition to me, but I'm wondering how useful it will end up being? What do you guys think?

    Also, does this not essentially mirror the data in the scatter plots?
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  2. #2
    Nice catch! I didn't notice that. I was still scanning the scatter plots for that information. I am curious how those values are calculated. I am not exactly sure how market value is figured, but it seems to be close to to the lowest price (usually). I suspect, that market value may only take into account what is currently posted, whereas the mean may be the average of the scatter plots (which includes realms that have zero listings at that moment). This would explain why the market is higher than mean (for Polymorph: Turtle at least).

  3. #3
    Kathroman's Avatar
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    I'm sure Erorus will come along eventually and enlighten us, but I think this could end up being a very useful stat, in some way. Especially if he includes it in the XML API.
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  4. #4
    Regardless of precisely how it is calculated, it's a nice measure of central tendency and does allow you to quickly price check an item.

  5. #5
    Erorus's Avatar
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    I didn't think it was necessary, but I added it due to user requests.

    US A/H/N Market Value - a simple mean of the market values of this item across all A/H/N auction houses right now.
    US A/H/N Mean - a weighted (by number of sightings) average of the market values of this item across all A/H/N auction houses over the past 2 weeks.

    The US market value is to the realm's market value as the US mean is to the realm's mean. Market Value is "right now", mean is "value over time."

    And yes, the US market value number is an average of the prices seen on the scatter plot... just boiled down to one number.

    Speaking of changes, anyone notice that most category pages are lots faster?

  6. #6
    Kathroman's Avatar
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    Just a quick follow-up: Does it compile an average of all of the market values of all of the servers, or does it compile all the data from all the servers and then calculate an average market value?

    What I'm wondering is if Small Pop servers are carrying the same weight in the calculation as large ones, or would the 100 items on the large server be 10x as valuable as the 10 items on the small one?

    Thanks
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  7. #7
    jchurch5566's Avatar
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    Hi guys,

    ... G r e a t ... G R E A T ... G R E A T ... JOB!

    To Erorus, ... thank you so much for all your efforts! The best way to say thank-you is to make a modest donative to Mr. Erorus. I have and I will again. I ask all you goblins out there to send a small donative to Mr. Erorus!

    Now, to these new statistics.
    * US Alliance Market Price *
    & * US Alliance Mean *
    I noticed them this morning and started using them right away. They are hugely helpful in finding a 'good' pricepoint.

    What I am hugely interested in is this little item that cropped up this morning, ...

    Market Data XML
    Here you may construct a link to an XML document containing market information for an entire realm. You may retreive market data via this API up to 5 times every 24 hours. This link is specific to your account; do not share it with anyone else. Visit the official forum for more information.

    I feel like I am about to open a big birthday present.

    Good Hunting,
    Lifedream
    (Black Dragonflight)
    Last edited by jchurch5566; March 23rd, 2011 at 09:40 AM. Reason: verbage & clearity
    Women and cats will do what they want. Men and dogs should just relax and get used to it.

 

 

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