snippets for xai bqml and looker post #72
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polong-lin
reviewed
Jan 25, 2022
| (3)] as float64))))) AS card_transactions_transaction_distance, | ||
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| --hour that transaction occured: fraud occurs in middle of night (usually between midnight and 4 am) | ||
| EXTRACT(HOUR FROM TIMESTAMP(CONCAT(card_transactions.trans_date,' ',card_transactions.trans_time)) ) AS card_transactions_transaction_hour_of_day |
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This line is perhaps too long. Could you try using the || operator to concat, and/or break this line into multiple lines?
|| operator: https://cloud.google.com/bigquery/docs/reference/standard-sql/operators
polong-lin
reviewed
Jan 25, 2022
| @@ -0,0 +1,21 @@ | |||
| SELECT * FROM | |||
| ML.EXPLAIN_PREDICT(MODEL retail_banking.fraud_prediction, ( | |||
| SELECT | |||
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Might be helpful to add a comment as to what kind of transaction each of these are ... e.g. "a sample datapoint with an unusually high transaction amount"
polong-lin
reviewed
Jan 25, 2022
| --distance from the customers home: further distances are more likely to be fraud | ||
| ST_DISTANCE((ST_GEOGPOINT((cast(card_transactions.merchant_lon as FLOAT64)), | ||
| (cast(card_transactions.merchant_lat as FLOAT64)))), | ||
| (ST_GeogPoint((cast(SPLIT(client.address,'|')[ |
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ST_GeogPoint seems to use camelcase unexpectedly -- perhaps all caps would be better?
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Looking good overall.
Thank you! |
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Adding snippets from the XAI + BQML + Looker 1/24/2021 blogpost