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StrataScratch

别名:strata scratch

集成Notebook环境的数据科学练习平台

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已收录 3 条与 StrataScratch 相关的内容,按评分排序。

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Building an End-to-End Data Science Portfolio Project

KDnuggets2944 字 (约 12 分钟)
85

本文提供了一个完整的数据科学作品集项目构建指南,涵盖从业务问题定义到API部署的九个阶段。

入选理由:使用DoorDash配送时间预测项目作为完整案例贯穿全流程

FeaturedArticle#Data Science#Portfolio#SQL#Python#Machine Learning英文
SQL Window Functions Beyond Basics: Solving Real Business Problems

SQL Window Functions Beyond Basics: Solving Real Business Problems

KDnuggets2142 字 (约 9 分钟)
85

This article explores advanced SQL window functions beyond basics, focusing on solving real business problems through four key patterns: running totals, gaps and islands (sessionization), ranking and classification, and data imputation. It provides practical examples and code snippets to illustrate how window functions can be effectively utilized in data analysis and manipulation.

入选理由:Window functions in SQL are powerful tools for performing calculations across a set of rows related to the current row.

FeaturedArticle#SQL#Window Functions#Data Analysis#Business Problems#DatabaseEnglish
Using Polars Instead of Pandas: Performance Deep Dive

Using Polars Instead of Pandas: Performance Deep Dive

KDnuggets2586 字 (约 11 分钟)
85

Polars outperforms Pandas in handling large datasets, especially in parallel computing and lazy evaluation.

入选理由:Polars 使用 Rust 构建,支持并行计算和懒加载,性能优于 Pandas。

FeaturedArticle#Polars#Pandas#Data Processing#Performance Optimization英文

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