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01 🤖
Beginner Guide
Machine Learning ✦ 2025 ✦ 10 Chapters

Machine Learning for Everyone

From Zero to Building Your First Working Model

A complete beginner's guide to Machine Learning — no maths degree required. Covers the 75-year history of ML, all three learning paradigms, every major algorithm explained with real-life analogies, and a step-by-step workflow to build and deploy your first model. Includes a full working Python example and a curated 8-week learning roadmap.

Supervised Learning Neural Networks Decision Trees Random Forest XGBoost No-Code Tools Python Starter
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Wreetojyoti Ray · Data Scientist & Educator
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02 🧬
Technical Book
Deep Learning ✦ 2025 ✦ 12 Chapters

Machine Learning with Keras

The Friendly Architect of Neural Networks

A deep-dive technical guide covering the complete Keras ecosystem for building production-grade deep learning models. Covers all three model-building APIs (Sequential, Functional, Subclassing), CNNs, RNNs, Transfer Learning, custom callbacks, advanced architectures (GANs, Transformers, Autoencoders), and model deployment. Includes 10 original data visualisations.

Keras API CNNs LSTMs Transfer Learning Transformers GANs TFLite Deployment
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Wreetojyoti Ray · ML Architect
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03 💹
Advanced Book
Business & Data Science ✦ 2025 ✦ 10 Chapters

Data Science for Hardware Business

Profit Protection, Forecasting & Production ML on AWS

A professional handbook for the Hybrid Data Scientist & Strategic Business Analyst role in hardware-focused organisations. Covers price elasticity modelling, gray market arbitrage detection, demand forecasting with LSTMs and XGBoost, Multi-Armed Bandit pricing experiments, OEM negotiation analytics, IIoT anomaly detection, and end-to-end AWS SageMaker MLOps pipelines.

Price Elasticity XGBoost Multi-Armed Bandits Demand Forecasting AWS SageMaker IIoT MLOps
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Wreetojyoti Ray · Senior Data Consultant
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04 ☁️
Study Guide
AWS Certification ✦ 2025 ✦ 5 Exam Domains

AWS Certified AI Practitioner (AIF-C01)

The One-Shot Complete Study Guide

A single, exhaustive reference for the AWS Certified AI Practitioner exam. Covers all five official domains: AI and ML fundamentals, generative AI, applications of foundation models, responsible AI, and security and governance. Includes comparison tables, exam tips and key-concept callouts.

AIF-C01 Generative AI Foundation Models RAG Responsible AI Amazon Bedrock SageMaker
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Wreetojyoti Ray · Senior Data Consultant
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05 ❄️
Interview Guide
Data Engineering ✦ 2025 ✦ 12 Chapters

Snowpark for Snowflake

Complete Interview Study Guide

A complete interview-preparation guide to Snowpark in Python, Java and Scala. Covers sessions, the DataFrame API, UDFs and stored procedures, data loading, Snowpark ML, performance optimisation and advanced topics, with an interview Q&A bank, code examples and a quick-reference cheat sheet.

Snowpark DataFrames UDFs Stored Procedures Snowpark ML Optimization Interview Q&A
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Wreetojyoti Ray · Senior Data Consultant