infoFromItems: Get account-level information from items data for some...

In xhtai/heisenbrgr: Linking Accounts on Anonymous Marketplaces

Description

Items data refers to data on unique items listed. Items needs to contain the following variables:

• 'hash_str': this is a unique identifier for each item listing

• 'marketplace': marketplace that the item was listed on

• 'title': title of item listing

• 'vendor': vendor account ID that listed the item

• 'vendor_hash': unique identifier for vendor, corresponds to 'hash_str' in 'users' and feedback

• 'prediction': category predicted for item listing, see Soska and Christin (2015)

• 'dosage': dosage extracted from item title

• 'unit': units extracted from item title

Usage

infoFromItems(items, itemHashesOfInterest, userHashesOfInterest)

Arguments

items	dataframe as described above
itemHashesOfInterest	item_hashes for items that have feedback in timeframe of interest; can be generated by 'infoFromFeedback()'
userHashesOfInterest	vendor_hashes for accounts that have feedback in timeframe of interest; can be generated by 'infoFromFeedback()'

Details

Account-level variables returned are:

• 'vendor_hash': unique identifier for seller account

• 'numTitleTokens': number of unique tokens from item titles

• 'titleTokens': list item

• 'inventory': list item

Value

list containing 1. dataframe with vendor_hash and numTitleTokens, 2. 'titleTokens' list, 3. 'inventory' list

Examples

## Not run: 
    itemsOut <- infoFromItems(items, out$itemHashes, out$vendorHashes)

## End(Not run)

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