infoFromFeedback: Get account-level information from feedback data for some...

In xhtai/heisenbrgr: Linking Accounts on Anonymous Marketplaces

Description

Feedback data refers to unique feedback left on the marketplaces. Feedback needs to contain the following variables:

• 'hash_str': this is a unique identifier for each feedback

• 'date': date that the feedback was left

• 'item_hash': unique identifier for item that feedback was left for

• 'marketplace': marketplace that the feedback was left on

• 'order_amount_usd': cost of item that feedback was left for

Usage

infoFromFeedback(feedback, startDate, endDate)

Arguments

feedback	dataframe as described above
startDate	string for start of time frame of interest, e.g. "2014-01-10"
endDate	string for end of time frame of interest (exclusive), e.g. "2014-01-15" means up to 1/14

Details

Account-level variables returned are:

• 'vendor_hash': unique identifier for seller account

• 'marketplace': marketplace that the feedback was left on

• 'totalFeedback': total number of feedback that the account received

• 'numListingsWithFeedback': number of item listings where account received feedback

• 'firstFeedback': date of first feedback (character)

• 'lastFeedback': date of last feedback (character)

• 'daysActive': number of days between first and last feedback (inclusive)

• date columns: binary variables indicating whether feedback was received on these days

• 'dailyFrac': (totalFeedback/daysActive for vendor) / (marketplaceTotalFeedback/marketplaceDaysActive)

• 'meanPriceSold'

• 'medianPriceSold'

• 'minPriceSold'

• 'maxPriceSold'

• 'priceRange'

Value

list containing 1. dataframe with account-level variables as listed above, 2. unique vendor_hashes of interest (receiving feedback in period of interest), 3. unique item_hashes of interest

Examples

## Not run: 
    out <- infoFromFeedback(feedback, "2014-08-01", "2014-08-31")

## End(Not run)

xhtai/heisenbrgr documentation built on June 8, 2019, 9:30 a.m.