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Course Outline

Introduction

This section offers a broad overview of when to apply machine learning, key considerations, and its fundamental meaning, including advantages and disadvantages. Topics include data types (structured, unstructured, static, streamed), data validity and volume, data-driven versus user-driven analytics, and the distinction between statistical models and machine learning models. The curriculum also addresses challenges in unsupervised learning, the bias-variance trade-off, iteration and evaluation processes, cross-validation methods, and the differences between supervised, unsupervised, and reinforcement learning.

MAJOR TOPICS

1. Understanding naive Bayes

  • Core concepts of Bayesian methods
  • Probability fundamentals
  • Joint probability
  • Conditional probability using Bayes' theorem
  • The naive Bayes algorithm
  • Naive Bayes classification
  • The Laplace estimator
  • Applying numeric features with naive Bayes

2. Understanding decision trees

  • Divide and conquer strategies
  • The C5.0 decision tree algorithm
  • Selecting the optimal split
  • Pruning decision trees

3. Understanding neural networks

  • From biological to artificial neurons
  • Activation functions
  • Network topology
  • Determining the number of layers
  • The direction of information flow
  • Configuring the number of nodes per layer
  • Training neural networks via backpropagation
  • Deep learning

4. Understanding Support Vector Machines

  • Classification using hyperplanes
  • Maximizing the margin
  • Handling linearly separable data
  • Handling non-linearly separable data
  • Utilizing kernels for non-linear spaces

5. Understanding clustering

  • Clustering as a machine learning task
  • The k-means clustering algorithm
  • Using distance metrics to assign and update clusters
  • Selecting the appropriate number of clusters

6. Measuring performance for classification

  • Working with classification prediction data
  • Examining confusion matrices closely
  • Using confusion matrices to assess performance
  • Beyond accuracy – other performance metrics
  • The kappa statistic
  • Sensitivity and specificity
  • Precision and recall
  • The F-measure
  • Visualizing performance trade-offs
  • ROC curves
  • Estimating future performance
  • The holdout method
  • Cross-validation
  • Bootstrap sampling

7. Tuning stock models for better performance

  • Using caret for automated parameter tuning
  • Creating a simple tuned model
  • Customizing the tuning process
  • Improving model performance with meta-learning
  • Understanding ensembles
  • Bagging
  • Boosting
  • Random forests
  • Training random forests
  • Evaluating random forest performance

MINOR TOPICS

8. Understanding classification using nearest neighbors

  • The kNN algorithm
  • Calculating distance
  • Choosing an appropriate k
  • Preparing data for kNN
  • Why is the kNN algorithm lazy?

9. Understanding classification rules

  • Separate and conquer
  • The One Rule algorithm
  • The RIPPER algorithm
  • Extracting rules from decision trees

10. Understanding regression

  • Simple linear regression
  • Ordinary least squares estimation
  • Correlations
  • Multiple linear regression

11. Understanding regression trees and model trees

  • Incorporating regression into trees

12. Understanding association rules

  • The Apriori algorithm for association rule learning
  • Measuring rule interest – support and confidence
  • Building a set of rules with the Apriori principle

Extras

  • Spark/PySpark/MLlib and Multi-armed bandits

Requirements

Knowledge of Python

 21 Hours

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