Fraud Detection

transaction_id	card_id	customer_id	customer_zipcode	merchant_id	merchant_name	merchant_category	merchant_zipcode	merchant_country	transaction_amount	authorization_response_code	atm_network_xid	cvv_2_response_xflg	fraud_label
469483	9003	1085	23039	893	Wright Group	7917	91323	GB	1962	C	C	N	0
926515	9009	1001	32218	1011	Mums Kitchen	5813	10001	US	1643	C	D	M	1
730021	9064	1174	9165	916	Keller	7582	38332	DE	1184	D	B	M	0

ludwig experiment \
--dataset transactions.csv \
  --config_file config.yaml

With config.yaml:

input_features:
  -
    name: customer_id
    type: category
  -
    name: card_id
    type: category
  -
    name: merchant_id
    type: category
  -
    name: merchant_category
    type: category
  -
    name: merchant_zipcode
    type: category
  -
    name: transaction_amount
    type: numerical
  -
    name: authorization_response_code
    type: category
  -
    name: atm_network_xid
    type: category
  -
    name: cvv_2_response_xflg
    type: category

combiner:
    type: concat
    num_fc_layers: 1
    fc_size: 48

output_features:
  -
    name: fraud_label
    type: binary