The datasets are from a companion website for the book Modeling Online Auctions, by Wolfgang Jank and Galit Shmueli (Wiley and Sons, ISBN: 978-0-470-47565-2, July 2010).
The datasets contain eBay auction information on Cartier wristwatches, Palm Pilot M515 PDAs, Xbox game consoles, and Swarowski beads.
auction.csv includes 9 variables:
auctionid: unique identifier of an auction
bid: the proxy bid placed by a bidder
bidtime: the time in days that the bid was placed, from the start of the auction
bidder: eBay username of the bidder
bidderrate: eBay feedback rating of the bidder
openbid: the opening bid set by the seller
price: the closing price that the item sold for (equivalent to the second highest bid + an increment)
item: auction item
auction_type
swarovski.csv includes 5 variables:
Seller
Bidder
Weight
Bidder.Volume
Seller.Volume
