ai

How I use lecture notes, questions, retrieval, and revision to make AI-assisted writing part of studying

How a support vector machine chooses a decision boundary by maximizing its margin

Closing my Codeit AI Engineer Sprint chapter early after accepting an AI agent engineering role

How accuracy, recall, precision, and F1 expose different kinds of classification errors

How decision trees choose splits, why they overfit, and how voting, bagging, and boosting address their weaknesses

How classification models measure probability errors and learn from them

The third weekly paper on decision trees, major boosting models, and the difference between PCA and factor analysis

Why linear regression is unsuitable for classification and how logistic regression separates classes with probabilities

A Codeit mission on reading feature context, outliers, and model behavior in Kaggle's Bike Sharing Demand data

How feature scale affects model training and why Ridge, Lasso, and Elastic Net depend on comparable inputs

The second weekly paper on how machine-learning models learn, fail to generalize, and are evaluated

The main ways machine-learning systems learn from data and how they differ

How vectors, matrices, and linear systems connect to machine-learning inputs and weight calculations

The first weekly paper on the mathematical language of machine learning and the preparation of data for analysis

Reviewing how descriptive statistics and visualizations explain center, spread, and distribution shape

A lesson note on filtering data, creating values, and aggregating groups with Pandas

A first pass through selecting, combining, and cleaning tabular data with Pandas

A lesson note on vectors, matrices, NumPy arrays, shape, axis, and basic array operations

Notes on Python sequences, file I/O, duplicate removal using sets, and OOP fundamentals covered in the second class of Codeit Sprint Main Course.

A first-class Codeit Sprint note on data science, MLOps, and Python basics.

A learning note on how hypothesis functions, loss functions, partial derivatives, and gradient vectors lead to gradient descent.

A learning note on linear regression, mean squared error, and why the loss function takes theta as input.

A learning note on partial derivatives and gradients from a machine learning fundamentals course

A Codeit AI Engineer Sprint note on reviewing functions, rates of change, and the basic idea behind derivatives

A summary of matrix addition, scalar multiplication, matrix multiplication, element-wise multiplication, and NumPy operations

Reviewing the fundamentals of machine learning and introductory linear algebra in the Codeit pre-course.

A Codeit AI Engineer Sprint pre-course note on dictionary view objects, string immutability, and Python indexing

A short Codeit AI Engineer Sprint pre-course note on revisiting Python lists and for loops

A short note from the Codeit AI Engineer Sprint pre-course on reviewing Python basics, PEP 8, and scope

Returning to a structured learning routine to keep growing as a hands-on engineer in the AI era

Turning study mode from a one-off chat into a session with state, progress, and a report

How interviewer personas moved from a selection UI into distinct interview and study flows

Provider boundaries, latency handling, and failure modes that surfaced while wiring Gemini and Ollama into the same product

I pressed the button and waited thirty seconds. Technically, nothing was wrong. That was the problem.