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ML internals: Synthetic Minority Oversampling (SMOTE) Technique

Domino Data Lab

Working with highly imbalanced data can be problematic in several aspects: Distorted performance metrics — In a highly imbalanced dataset, say a binary dataset with a class ratio of 98:2, an algorithm that always predicts the majority class and completely ignores the minority class will still be 98% correct. In their 2002 paper Chawla et al.

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Here’s How Data Analytics In Sports Is Changing The Game

Smart Data Collective

Increasingly, soccer teams look at stats such as expected goals (Xg) as a key metric to understand underlying performance levels other than the actual scoreline. Oakland Athletics become famous in the 2002 season for a 20-game winning streak. These indicators may include the player’s sprint speed or distance covered per goal.

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Use AWS Glue ETL to perform merge, partition evolution, and schema evolution on Apache Iceberg

AWS Big Data

Data files in snapshots are stored in one or more manifest files that contain a row for each data file in the table, its partition data, and its metrics. Run the job again to add orders 2001 and 2002, and update orders 1001, 1002, and 1003. Run the job again to add order 3001 and update orders 1001, 1003, 2001, and 2002.

Snapshot 126
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Simplify data ingestion from Amazon S3 to Amazon Redshift using auto-copy

AWS Big Data

Now upload the files for transaction sold on 2002-12-31. Let’s run a query to get the daily total of sales transactions across all the stores in the US: SELECT ss_sold_date_sk, count(1) FROM store_sales GROUP BY ss_sold_date_sk; The output shown comes from the transactions sold on 2002-12-31.

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PODCAST: COVID19 | Redefining Digital Enterprises – Episode 13: Digital Sales Enablement is a gamechanger in the post-COVID era

bridgei2i

And it was funny cause I was going through a book that my business partner Barry Trailer and I wrote back in 2002. And one of the things he said back then, which I think is very apropos today, was he said, the thing that’s become more pronounced today, again, this is 2002, is that the markets continuing to question.

Sales 93
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The Newest FIFA World Cup Referee: Human-in-the-Loop Machine Learning

Cloudera

C (Cloudera is headquartered in the US, but we also recognize the superiority of the metric system). The second notable fact about the 2022 World Cup is that this is only the second World Cup to be held entirely in Asia, the first being the 2002 tournament held in South Korea and Japan.

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Credit Card Fraud Detection using XGBoost, SMOTE, and threshold moving

Domino Data Lab

from sklearn import metrics. With this criterion in mind, we can define a distance metric to the top left corner of the curve and find a threshold that minimises it. 16, 1 (January 2002), 321–357. [3] The class label is titled Class where 0 denotes a genuine transaction and 1 signifies fraud. from datetime import datetime.