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本帖最后由 匿名 于 2023-4-19 09:21 编辑
. 1point3acres
You are given a month's worth of delivery data for DoorDash. This isn't the complete set, but it's comprehensive enough where you should be able to draw conclusions on fraudulent transactions. Feel free to make any assumptions you need. Your job is to give me a specific set of recommendations on how to reduce our fraud losses based on this data. Please send me your recommendations and any supporting analyses and assumptions.
Below is a glossary of definitions for the variables included in the data set:Field Definition.
DELIVERY_ID ID of Order
CREATED_AT Timestamp for order creation. 1point3acres.com
CONSUMER_ID ID of consumer account
GOV Gross Order Value, in cents. This includes the subtotal of all items, all fees, taxes, and tip
CX_AGE_ON_DELIVERY_BASED_ON_FIRST_ORDER Age of consumer in days when the consumer when delivery was created, calculated from the day of the first order created by the consumer
PLATFORM Platform of device used upon checkout.google и
RECEIVED_CHARGEBACK Whether or not this delivery has a chargeback associated with it. Χ
IS_FRAUDULENT_CHARGEBACK Whether or not the chargeback received was related to fraud reasons. This is true when the dispute reason is in ('fraudulent', 'unrecognized', 'general'), based on the information submitted to the card issuer by the card owner
CHARGEBACK_COST Chargeback cost in cents is the total potential cost of chargebacks to us. Each chargeback cost is compromised of the original chargeback amount (usually entire transaction amount) + a flat chargeback processing fee that is paid to our payment processor. If we 'win' the chargeback, this value goes to 0.
CX_DEVICE_ORDER_NUM The order number placed by this device + consumer
CX_A4 3 3 3 4 2 47.99543643 0 0 0 4 0.75 3 1 0.333333. ----
137298413 2019-01-21T01:11:55.612066Z 50791623 13926 132 iOS 0 0 6 2 5 6 2 0 0 0 6 0 5 0 0
131111835 2019-01-07T17:11:32.993062Z 70624886 12110 0 iOS 1 1 12860 2 2 2 2 1 75.88508772 4 4 4 2 0.5 1 0 0
140922768 2019-01-28T17:01:43.02419Z 42558322 3557 162 iOS 0 0 26 10 12 26 19 0 2 14.50765841 0 0 0 75 0 25 0 0 |