AI Articles Archive

AI Model Compendium

COMPLETE AI MODEL REFERENCE — Full COMPLETE AI MODEL REFERENCE Concise descriptions, difficulty level, typical uses and example projects for major AI, ML and deep learning models (comprehensive 2025‑level list). Jump to: Classical ML Neural Networks Transformers & LLMs Graph & Relational Reinforcement Learning Generative & Diffusion Hybrid & Agentic Tools Classical Machine Learning Models Model Level Description Common Uses / Example Projects Linear Regression Beginner Predict continuous targets via linear combination of features; teaches OLS and gradients. House price prediction; sales/time-series forecasting; energy consumption modeling; baseline regression experiments; feature selection studies. Logistic Regression Beginner Binary classification using sigmoid; outputs probabilities and interpretable coefficients. Spam detection; medical screening; churn prediction; credit default classification; simple NLP classification with bag‑of‑words. Decision Tree Beginner Hierarchical splits on features producing human‑readable rules; easy to visualize. Credit scoring rules; diagnostic flowcharts; interpretable classification demos; feature importance visualizer; teaching decision logic. Random Forest Intermediate Ensemble of randomized trees; reduces variance and overfitting via averaging. Tabular baseline for industry problems; feature importance reports; anomaly detection; ecology / bioinformatics classification; model stacking component. Gradient Boosting (XGBoost / LightGBM / CatBoost) Intermediate Sequentially built trees that focus on correcting prior errors; state‑of‑the‑art for tabular tasks. Kaggle‑style tabular pipelines; credit […]

Cheat sheets

A typical deep learning workflow

A typical deep learning workflow involves several key steps. Here’s a general outline: Throughout the workflow, it’s essential to iterate and experiment with different approaches to continuously improve the model’s performance and address any challenges that arise. Additionally, staying up-to-date with the latest research and best practices in deep learning can help inform your decisions and drive innovation in your projects.

Machine learning data modeling steps

Bivariate analysis

Bivariate analysis is a statistical technique used to analyze the relationship between two variables. It focuses on understanding how changes in one variable are associated with changes in another variable. Bivariate analysis helps in identifying patterns, correlations, dependencies, and trends between pairs of variables. Here are some common methods used in bivariate analysis: Bivariate analysis provides valuable insights into the relationship between pairs of variables and helps in understanding how changes in one variable affect another variable. It is an essential step in exploratory data analysis and hypothesis testing and serves as a foundation for more advanced analyses, such as multivariate analysis and predictive modeling.

Univariate analysis

Univariate analysis is a statistical technique used to analyze a single variable in isolation. It focuses on understanding the distribution and characteristics of a single variable without considering its relationship with other variables. Univariate analysis helps in summarizing the main features of the variable, identifying patterns, detecting outliers, and making preliminary assessments about the data. Here are some common methods used in univariate analysis: Univariate analysis provides valuable insights into the characteristics of individual variables and serves as a foundation for further analysis, such as bivariate and multivariate analysis. It helps in understanding the data’s structure, identifying potential patterns or trends, and detecting any anomalies or irregularities.

Exploratory Data Analysis (EDA)

Exploratory Data Analysis (EDA) is a crucial step in the data analysis process that involves exploring and summarizing the main characteristics of a dataset. EDA helps analysts to understand the data, identify patterns, detect outliers, and formulate hypotheses for further analysis. Here’s an overview of the main techniques and methods used in exploratory data analysis: By performing exploratory data analysis, analysts can gain valuable insights into the dataset, identify potential issues and challenges, and inform subsequent steps in the data analysis process. EDA serves as the foundation for hypothesis testing, model building, and decision-making in data-driven projects.

Python quick reference

Python for ML Basic Python reference useful for ML : https://itskarthicklakshmanan.github.io/kalanai/python/numpy/pandas/2020/01/28/python_for_ML.html

Top trends in ML for 2024

1. Multimodal AI: This approach integrates various data types (text, images, audio, etc.) for more comprehensive and nuanced understanding. Expect advancements in areas like visual question answering, sentiment analysis, and anomaly detection. 2. Agentic AI: This focuses on developing AI agents that can interact with the world and make decisions autonomously, but within safe and ethical boundaries. Applications could range from personalised assistants to robots in complex environments. 3. Retrieval-Augmented Generation (RAG): This combines text generation with information retrieval for more accurate and relevant outputs. Imagine AI chatbots accessing and presenting external information while responding to your questions. 4. Open Source Initiatives: Accessibility and collaboration are key trends. Platforms like Hugging Face offer pre-trained models and tools, fostering innovation and democratizing AI development. 5. Customized Enterprise Models: Companies are building their own specialized machine learning models tailored to their unique needs and data, rather than relying solely on off-the-shelf solutions. 6. Shadow AI: As employees become more comfortable with AI tools, they might use them independently, potentially outside official channels. Organizations need to establish responsible AI practices to manage and govern such “shadow” usage. 7. Reality Check: While AI promises significant benefits, organizations are realizing the need for realistic expectations […]

Meta-Learning

Meta-Learning: Description: Meta-learning, also known as learning to learn, is a subfield of machine learning that focuses on training models to quickly adapt and learn new tasks with limited data. The key idea in meta-learning is to expose a model to a variety of tasks during a training phase, enabling it to acquire a general understanding or meta-knowledge that facilitates rapid adaptation to new, unseen tasks. Meta-learning is motivated by the goal of achieving efficient learning across a broad range of tasks, especially in scenarios where acquiring extensive labeled data for each specific task is impractical. Key Concepts: Types of Meta-Learning: Use Cases: Challenges: Evaluation Metrics: Advancements and Trends: Applications: Meta-learning holds promise in addressing challenges related to data efficiency and rapid adaptation in machine learning, particularly in scenarios where acquiring extensive labeled data for each task is challenging or impractical. Continued research in this field is likely to lead to further advancements in improving the efficiency and flexibility of learning systems across diverse tasks.