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46 docs tagged with "machine-learning"

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Actor-Critic Methods

Combining value-based and policy-based methods for stable and efficient reinforcement learning.

Autoencoders

Neural network-based dimensionality reduction: Encoder-Decoder architecture and bottleneck representations.

Decision Trees

Understanding recursive partitioning, Entropy, Gini Impurity, and how to prevent overfitting in tree-based models.

Deep Q-Networks (DQN)

Scaling Reinforcement Learning with Deep Learning using Experience Replay and Target Networks.

Elastic Net Regression

Combining L1 and L2 regularization for the ultimate balance in feature selection and model stability.

K-Fold Cross-Validation

Mastering robust model evaluation by rotating training and testing sets to maximize data utility.

K-Nearest Neighbors (KNN)

Understanding the proximity-based classification algorithm: distance metrics, choosing K, and the curse of dimensionality.

Linear Regression

Mastering the fundamentals of predicting continuous values using lines, slopes, and intercepts.

Logistic Regression

Understanding binary classification, the Sigmoid function, and decision boundaries.

Making Predictions

How to use trained Scikit-Learn estimators to generate point predictions and probability estimates.

Normalization Techniques

A deep dive into Min-Max scaling, MaxAbs scaling, and Unit Vector normalization for bounded data ranges.

Policy Gradients

Optimizing the policy directly: understanding the REINFORCE algorithm, stochastic policies, and the Policy Gradient Theorem.

ROC Curve and AUC

Evaluating classifier performance across all thresholds using the Receiver Operating Characteristic and Area Under the Curve.

The Confusion Matrix

The foundation of classification evaluation: True Positives, False Positives, True Negatives, and False Negatives.

Train-Test Split

Mastering the data partitioning process to ensure unbiased model evaluation.

Welcome to Machine Learning

A comprehensive introduction to the Machine Learning Tutorial structure, purpose, and key learning outcomes for CodeHarborHub learners.