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An Intuitive Introduction to Bayesian Decision Theory

Analytics Vidhya

ArticleVideo Book This article was published as a part of the Data Science Blogathon Introduction Bayesian decision theory refers to the statistical approach based on. The post An Intuitive Introduction to Bayesian Decision Theory appeared first on Analytics Vidhya.

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End-to-End Case Study: Bike Sharing Demand Prediction

Analytics Vidhya

Introduction Bike-sharing demand analysis refers to the study of factors that impact the usage of bike-sharing services and the demand for bikes at different times and locations. The purpose of this analysis is to understand the patterns and trends in bike usage and make predictions about future demand.

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Unbundling the Graph in GraphRAG

O'Reilly on Data

A Latent Space Theory for Emergent Abilities in Large Language Models ” by Hui Jiang presents a statistical explanation for emergent LLM abilities, exploring a relationship between ambiguity in a language versus the scale of models and their training data. “ Do LLMs Really Adapt to Domains?

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Navigating Data Formats with Pandas for Beginners

Analytics Vidhya

Use the Data formats with pandas in economics and statistics. It refers to structured data sets that hold observations across multiple periods for different entities or subjects. Introduction Pandas is more than just a name – it’s short for “panel data.” ” Now, what exactly does that mean?

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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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Lets Open the Black Box of Random Forests

Analytics Vidhya

Introduction Random Forests are always referred to as black-box models. This article was published as a part of the Data Science Blogathon. Let’s try. The post Lets Open the Black Box of Random Forests appeared first on Analytics Vidhya.

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Accelerate Amazon Redshift Data Lake queries with AWS Glue Data Catalog Column Statistics

AWS Big Data

Over the last year, Amazon Redshift added several performance optimizations for data lake queries across multiple areas of query engine such as rewrite, planning, scan execution and consuming AWS Glue Data Catalog column statistics. Enabling AWS Glue Data Catalog column statistics further improved performance by 3x versus last year.

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