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AWS-Certified-AI-Practitioner(6) - RAG & Knowledge Base
Created2025-08-15|CERTIFICATIONAWS_AI_PRACTITIONER
๐Ÿ“š Amazon Bedrock โ€“ RAG & Knowledge Base1. ๐Ÿ” What is RAG?RAG (Retrieval-Augmented Generation) = Retrieve information from an external data source โ†’ Augment the prompt โ†’ Generate a more accurate answer. Retrieval: Searches for latest or domain-specific data outside the modelโ€™s training set. Augmented Generation: Combines retrieved data with the original query before sending it to the model. No Fine-tuning Required: Can inject up-to-date information without retraining the model. ...
AWS Certified AI Practitioner(5) - Model Evaluation Guide
Created2025-08-15|CERTIFICATIONAWS_AI_PRACTITIONER
๐Ÿ“Š Amazon Bedrock โ€“ Model Evaluation GuideEvaluating a Foundation Model (FM) is essential for quality control, business impact measurement, and bias detection. Amazon Bedrock offers multiple ways to evaluate modelsโ€”both automatically and through human feedbackโ€”along with technical and business metrics. 1. ๐Ÿ”„ Automatic EvaluationAmazon Bedrock can automatically score a modelโ€™s performance on predefined tasks. Built-in Task Types Text summarization Question answering Text classification Open-...
AWS Certified AI Practitioner(4) - Fine-Tuning & Model Selection
Created2025-08-14|CERTIFICATIONAWS_AI_PRACTITIONER
๐Ÿ“š Amazon Bedrock Fine-Tuning & Model Selection 1. Different Providers & Model Capabilities Providers: Anthropic, Amazon, DeepSeek, Stability AI, etc. Models vary in strengths: Claude 3.5 Haiku โ†’ Best for text tasks. Amazon Nova Reel โ†’ Text-to-video / Image-to-video. Exam Tip: You will not be tested on which is best, only on what each can or cannot do. 2. Comparing Models Compare Mode: Test models side-by-side in Bedrock playground. Compare by: โœ… Capabilities (text, image, vi...
AWS Certified AI Practitioner(3) - Generative AI & Amazon Bedrock
Created2025-08-14|CERTIFICATIONAWS_AI_PRACTITIONER
๐Ÿง  Generative AI & Amazon Bedrock1. What is Generative AI? Generative AI (Gen-AI): A type of deep learning that creates new data similar to what it learned. Can generate: Text Images Audio Code Video Example: ChatGPT generating human-like text. 2. Foundation Models (FM) Large AI models trained on diverse datasets. Expensive to build (can cost tens of millions of dollars). Examples: OpenAI (GPT-4o) Meta (LLaMA) Google (BERT) Amazon (Titan) Anthropic (Claude) Some are open-source (fre...
AWS Certified AI Practitioner(2) - AWS Cost and Budget
Created2025-08-14|CERTIFICATIONAWS_AI_PRACTITIONER
๐Ÿ’ฐ AWS Cost and Budget Setup1. Access for IAM Users To let an IAM user view Billing and Cost Management,the administrator must enable:โ€œIAM user and role access to Billing informationโ€. --- 2. Key Billing Tools Bills: Shows a detailed breakdown of usage and charges. Free Tier: Displays remaining Free Tier usage on a dashboard. Budgets: Sends email alerts if your spending exceeds the set budget.
AWS Certified AI Practitioner(1) - IT & AWS Basics
Created2025-08-14|CERTIFICATIONAWS_AI_PRACTITIONER
๐Ÿ“š IT & AWS Basics Summary1. Basic IT Terms Network: A connection of cables, routers, and servers. Router: A device that decides where to send data packets over the internet. Switch: Sends a packet to the correct server or client within the network. 2. Five Key Characteristics of Cloud Computing On-demand self service โ€“ Instantly get resources without human help. Broad network access โ€“ Access resources from different devices via the internet. Multi-tenancy & Resource p...
Spooky-Author-Identification
Created2025-08-13|Showcase
๐Ÿ‘ป Spooky Author IdentificationWho wrote this sentence? Classifying authors from a single line of text โ€œLet the words tell you who wrote them.โ€ ๐Ÿ“Ž Full Analysis:๐Ÿ‘‰ View Jupyter Notebook on GitHub ๐Ÿ“Ž Kaggle Competition:๐Ÿ‘‰ Spooky Author Identification (2017 Halloween) ๐Ÿ“Œ One-Line SummaryGiven a sentence, predict which of Edgar Allan Poe (EAP), H. P. Lovecraft (HPL), or Mary W. Shelley (MWS) wrote it.With light preprocessing and BoW/TFโ€‘IDF features + Naive Bayes, the model achieves...
News Keyword Trend Analyzer
Created2025-08-13|Showcase
๐Ÿ“ฐ Real-Time News Keyword Trend AnalyzerTracking trending keywords in news articles using real-time datapipelines โ€œSee the worldโ€™s breaking news trends โ€” live.โ€ ๐Ÿ“Œ One-Line SummaryA real-time news keyword trend analyzer that collects live newsheadlines, processes them to extract popular keywords, and visualizestheir trends in real time using Kafka, Apache Flink, Elasticsearch,and Kibana. 1๏ธโƒฃ How It Works1. Data Collection โ€” Kafka Producer (news_producer.py) Fetches top news headline...
House Price Prediction
Created2025-08-13|Showcase
๐Ÿ  House Price Prediction in Ames, IowaPredicting real estate prices using advanced regression techniques โ€œAccurate home valuation โ€” powered by data.โ€ ๐Ÿ“Ž Full Analysis:๐Ÿ‘‰ View Jupyter Notebook on GitHub ๐Ÿ“Ž Competition Source:๐Ÿ‘‰ Kaggle: House Prices - Advanced Regression Techniques ๐Ÿ“Œ One-Line SummaryThis project predicts house prices in Ames, Iowa using 81 property features such as area, location, condition, and building type.It applies data preprocessing, feature engineering, and re...
AI Stock Analysis App
Created2025-08-10|Showcase
๐Ÿ“ˆ AI Stock Analysis AppAI-powered iOS app for real-time stock market insights โ€œReal-time stock prices meet AI-powered analysis โ€” in your language.โ€ ๐Ÿ“Ž Demo Video: Your browser does not support the video tag. ๐Ÿ“Œ One-Line SummaryAn iPhone app that collects real-time stock data and uses AI to provide clear investment insights in multiple languages.It also stores your past analyses so you can track trends over time. 1๏ธโƒฃ How It Works1. Live Stock Data Pulls stock prices from Yahoo...
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Danny Ki
A data engineer's journey in coding, analytics, and building real-world systems.
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