Data Science Tutorials

Learn how to create a heat map in Excel using Conditional Formatting, customize color scales, and visualize patterns in your data.

Learn how to use OpenAI’s gpt-live-transcribe API to stream microphone audio, generate multilingual live captions, improve domain-specific accuracy, and balance latency against transcription quality.

Learn to build a document QA system in Python with PageIndex, then benchmark on a real Federal Reserve financial report it against a vector RAG baseline using FAISS.

Learn how Claude Code sub-agents can explore codebases, plan implementations, and complete multi-step development tasks with minimal supervision.

Run the latest DeepSeek V4 Flash model on a multi-GPU setup with Unsloth Studio, connect it to OpenCode, and use a local AI coding agent to build an interactive stock analytics website.

Learn how to use pandas.melt() to reshape DataFrames from wide to long format, with practical examples and common use cases.

Run Gemma 4 12B QAT locally with llama.cpp and see how Quantization-Aware Training improves 4-bit GGUF inference, reduces VRAM usage, boosts speed, and makes local AI more stable on consumer GPUs.

Learn how to clone your voice with Instant and Professional Voice Cloning in ElevenLabs, from recording clean audio to generating speech via the Python SDK.

Claude Code is not free by default. Learn about all alternative paths, with the exact setup commands and an honest account of what each one trades away from the original.

Learn how to fine-tune DiffusionGemma 26B-A4B for biomedical question answering on PubMedQA using Unsloth, LoRA, Hugging Face, and a RunPod H100 GPU.

Learn how to use Excel’s SUMIF() function to add values that meet a condition, with syntax explanations, practical examples, and common mistakes to avoid.

Learn how SARIMA extends ARIMA to handle seasonality, understand its seven parameters, and build a working model in Python from data collection through forecasting.