Data science

Python in Excel: How to understand the plotnine package

December 9, 2024 | George Mount

Python in Excel offers powerful tools for creating impactful visualizations, and one standout option is the plotnine package. In this post, we’ll delve into the origins and philosophy of plotnine, explore its core building blocks, and demonstrate some easy and impressive visualizations you can create—perfect for Excel users ...
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Optimisation with CVXPY

December 9, 2024 | Python - datawookie

CVXPY is a powerful, Open Source optimization modelling library for Python. It provides an interface for defining, solving, and analysing a wide range of convex optimization problems, including Linear Programming (LP), Quadratic Programming (QP), Second-Order Cone Programming (SOCP), and Semidefinite Programming (SDP).
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Day 29: Out of sample

December 6, 2024 | OSM

The moment of truth has arrived! On Day 28, we iterated through all the metrics we had previously used to identify and analyze the robustness of our strategy. We found the new adjusted strategy performed better than the original and adjusted strateg...
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Day 28: Reveal

December 4, 2024 | OSM

On Day 27, we had our strategy enhancement reveal. By modifying the arithmetic behind our error correction, we chiseled another 16% points of outperformance vs. buy-and-hold and the original 12-by-12 strategy. All that remains now is to run the pred...
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Mastering Playwright for Modern Browser Automation

December 3, 2024 | azhar

Introduction The tools developers and testers use to interact with the web are evolving. The journey has been revolutionary, from Selenium, first released in the early 2000s, to the contemporary frameworks that handle today’s dynamic and intricate web applications. In the middle of these advancements, Playwright has become a ...
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