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Bitmap Frogs said:


Last I heard, they quoted direct tracking over 50% of the market (60 something % I guess?) and estimated the remaining (mostly, Wall Mart and Toys'r'Us).

@Mike: dude, really. Are you proposing for vgchartz to become a sect? I'm sorry for you, but I think ioi's numbers have a long way to go before being 100% legit. Heck, you are acknowledging yourself this site depends on NPD's public releases - which for all we know, might be the reason behind their move. Afterall, everytime they release information they're just helping Brett polish his formulas.

My point was that I wondered why someone would come to this site for data if they did not trust the data for their use.

It is not 100% accurate -- but no one's data is -- not even NPD.  But almost everyone seems to bow down to NPD data as if it were perfect.

Most people don't even realize that not having Wal-Mart and Toys R Us has the potential to introduce bias into NPD. (They estimate these using past trends -- but this generation is not like the past).  Customer surveys help -- but they have their own issues.

Also, while it is safe to say that the VGC used to correct based upon NPD (and other tracking) data. But those associated with the site have noted that in this thread that shipment data is now used to make corrections.

Finally,  the bigger errors seemed to have come on smaller releases -- which never get any public data. So we don't know how well NPD does on them either.

Mike from Morgantown



      


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