Data Analysis - Manipulating Auction Data in Excel - VBA -


i have .csv file following data ebay auctions:

auctionid - unique identifier of auction

bidtime - time (in days) bid placed, start of auction

bidder - ebay username of bidder

i trying create new variables how long given bidder participated in particular auction (time of last bid - time of first bid) , how many bids bidder placed in auction. in other words, need creating vba script loop through each of auctions based on "auctionid" , calculate these 2 variables if there bidders in auction placed multiple bids.

i confused on how go doing this, know there has way done. appreciated!

cant open in excel , make pivot table auction id row label , add bidtime 3 times in values? drag bidtime 3 times pivot , define min one, max 1 , count last one.


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