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Data Science Tutorials

Develop your data science skills with tutorials in our blog. We cover everything from intricate data visualizations in Tableau to version control features in Git.
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Excel

Convert Excel to CSV: Four Methods That Work

Learn proven ways to convert Excel to CSV, manually, programmatically, and in bulk, while maintaining data accuracy, encoding, and security.
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Jachimma Christian

November 5, 2025

Data Science

Error Propagation: Understanding How Uncertainty Spreads Through Calculations

Understand how uncertainties in measurements affect calculated results and learn formulas and methods to quantify them across various mathematical operations.
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Arunn Thevapalan

November 5, 2025

Machine Learning

Understanding UMAP: A Comprehensive Guide to Dimensionality Reduction

Learn how UMAP simplifies high-dimensional data visualization with detailed explanations, practical use cases, and comparisons to other dimensionality reduction methods, including t-SNE and PCA.
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Arunn Thevapalan

November 4, 2025

Excel

Excel Sparklines: A Complete Guide to Mini Data Visualizations

Learn how to create this wonderfully compact and elegant cell-sized visualization in Excel that is perfect for summary trend and data visualization.
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Tim Lu

November 4, 2025

Machine Learning

Tanh Function: Why Zero-Centered Outputs Matter for Neural Networks

This guide explains the mathematical intuition behind the tanh function, how it compares to sigmoid and ReLU, its advantages and trade-offs, and how to implement it effectively in deep learning.
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Dario Radečić

November 3, 2025

Large Language Models

DeepSeek-OCR: A Hands-On Guide With 7 Practical Examples

Explore DeepSeek-OCR, a vision-language model for document understanding. See 7 real-world OCR tests on charts, math, memes, and handwritten notes.
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Aashi Dutt

November 2, 2025

Python

SymPy: A Complete Guide to Symbolic Mathematics in Python

Learn how to perform algebra, calculus, equation solving, and even code generation using exact symbolic computation instead of numerical approximations.
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Vikash Singh

October 31, 2025

Data Engineering

Regression Testing: A Complete Guide for Developers

This guide explores regression testing concepts, strategies, and tools to help you maintain software reliability and prevent new bugs after every update.
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Don Kaluarachchi

October 29, 2025

Machine Learning

Softplus: The Smooth Activation Function Worth Knowing

This guide explains the mathematical properties of Softplus, its advantages and trade-offs, implementation in PyTorch, and when to switch from ReLU.
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Dario Radečić

October 29, 2025

Large Language Models

Claude for Chrome: AI-Powered Browser Assistance and Automation

Learn how to install and use Claude for Chrome, Anthropic’s AI-powered browser assistant. Discover how it automates form filling, email cleanup, and web tasks, plus key safety tips and current limitations.
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Bex Tuychiev

October 29, 2025