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Enhance query performance using AWS Glue Data Catalog column-level statistics

AWS Big Data

Today, we’re making available a new capability of AWS Glue Data Catalog that allows generating column-level statistics for AWS Glue tables. These statistics are now integrated with the cost-based optimizers (CBO) of Amazon Athena and Amazon Redshift Spectrum , resulting in improved query performance and potential cost savings.

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Experimentation and Testing: A Primer

Occam's Razor

This post is a primer on the delightful world of testing and experimentation (A/B, Multivariate, and a new term from me: Experience Testing). Experimentation and testing help us figure out we are wrong, quickly and repeatedly and if you think about it that is a great thing for our customers, and for our employers.

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Why you should care about debugging machine learning models

O'Reilly on Data

In addition to newer innovations, the practice borrows from model risk management, traditional model diagnostics, and software testing. Security vulnerabilities : adversarial actors can compromise the confidentiality, integrity, or availability of an ML model or the data associated with the model, creating a host of undesirable outcomes.

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Top Cloud Data Security Statistics for 2023

Laminar Security

We’ve gathered some interesting data security statistics to give you insight into industry trends, help you determine your own security posture (at least relative to peers), and offer data points to help you advocate for cloud-native data security in your own organization.

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The Top 20 Data Visualization Books That Should Be On Your Bookshelf

datapine

But often that’s how we present statistics: we just show the notes, we don’t play the music.” – Hans Rosling, Swedish statistician. Your Chance: Want to test a powerful data visualization software? 14) “Visualize This: The Flowing Data Guide to Design, Visualization, and Statistics” by Nathan Yau. click for book source**.

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Use DeepSeek with Amazon OpenSearch Service vector database and Amazon SageMaker

AWS Big Data

You can use the flexible connector framework and search flow pipelines in OpenSearch to connect to models hosted by DeepSeek, Cohere, and OpenAI, as well as models hosted on Amazon Bedrock and SageMaker. Python The code has been tested with Python version 3.13. Execute that command before running the next script.

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What you need to know about product management for AI

O'Reilly on Data

But there’s a host of new challenges when it comes to managing AI projects: more unknowns, non-deterministic outcomes, new infrastructures, new processes and new tools. This has serious implications for software testing, versioning, deployment, and other core development processes. Machine learning adds uncertainty.