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Business Machine Learning

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Course Introduction

About This Course

Linear Regression

Introduction to Linear Regression

Welcome and Data Overview

Exploratory Data Analysis

Variance and Covariance

Machine Learning

Model Evaluation

Model Explainability

Finalizing and Serializing the Model

Model Deployment in the Notebook

Cross-validation

Exercise: Model the Boston Housing Dataset

Solution: Model the Boston Housing Dataset

Exercise: Model the King County's House Sales Dataset

Solution: Model the King County's House Sales Dataset

Quiz: Linear Regression

Regularization

Introduction to Regularization Penalties Effect of Regularization Model Performance Summary Quiz: Regularization

Bias-Variance Trade-off

Introduction and Data Generation Morale Function and Model Error Generating Student Samples and Plot Model Building to Predict the Morale Bias-Variance Trade-off Summary Quiz: Bias Variance Trade-off

Categorical Features

Quantitative vs. Qualitative Data and Creating Dummies Redundant Variables and Machine Learning Summary Exercise: Model the Auto MPG Dataset Solution: Model the Auto MPG Dataset Quiz: Categorical Features

Logistic Regression

Introduction to Logistic Regression Probability and Odds Understanding Logistic Regression Logistic Regression Implementation Model Evaluation Summary Quiz: Logistic Regression

Logistic Regression: Titanic Data

The Dataset and Exploratory Data Analysis Data Preprocessing Getting Data Ready and Building Machine Learning Model Predictions and Evaluation Model Evaluation Feature Importance and Model Explainability Summary Exercise: Retrain the Model Without Pclass Dummies Solution: Retrain the Model Without Pclass Dummies Quiz: Logistic Regression—Titanic Data

Multiclass Classification and Handling Imbalanced Classes

Introduction to Multiclass Logistic Regression Classification Imbalanced Datasets and Techniques to Handle Them Machine Learning and Imbalanced Data Performance of the Trained Models on Unseen Data Summary Quiz: Multiclass Classification and Handling Imbalanced Classes

Project: Predicting Chronic Kidney Disease

Problem Definition and the Data Exploratory Data Analysis Data Preprocessing Model Training and Evaluation

K-Nearest Neighbors

Introduction to K-Nearest Neighbors Working Principle of K-Nearest Neighbors Visualize the Working of K-Nearest Neighbors Final Thoughts Quiz: K-Nearest Neighbors

Implementation of K-Nearest Neighbors

The Dataset and Exploratory Data Analysis Model Training Using Unscaled Data Effect of Feature Scaling Model Training Using Scaled Features Elbow Method to Chose the K Value Model Comparisons Quiz: Implementation of K-Nearest Neighbors

Logistic Regression vs. KNN

The Dataset and Exploratory Data Analysis Baseline Accuracy and Machine Learning Model Selection Exercise: Find the Best Combination of Parameters Solution: Find the Best Combination of Parameters Exercise: Find the Best Value for K Solution: Find the Best Value for K

Decision Tree Learning

Introduction to Decision Trees

Bootstrap, Bagging, and Random Forests

The Dataset and Exploratory Data Analysis

Machine Learning

Feature Importance

Hyperparameters and Their Tuning

Playing With Probability Cut-off

Tree Visualization

Exercise: Train a Decision Tree Model Using the Gini Criteria

Solution: Train a Decision Tree Model Using the Gini Criteria

Exercise: Train a Random Forest Model Using the Entropy Criteria

Solution: Train a Random Forest Model Using the Entropy Criteria

Quiz: Decision Tree Learning

Bootstrapping and Confidence Interval

Introduction to Bootstrapping and Confidence Interval The Data Confidence Interval of Mean Confidence Interval for the Median Quiz: Bootstrapping and Confidence Interval

Support Vector Machine

Introduction to Support Vector Machine Visualize the Working of the Support Vector Machine The Dataset and Exploratory Data Analysis Feature Selection Machine Learning Grid Search Feature Scaling ROC Curve and Saving the Model Quiz: Support Vector Machine

Practice and Comparisons

MNIST: Handwritten Digits Dataset The Iris Dataset The Circles Dataset

What's Next?

Final Thoughts and Future Directions

Appendix

R-square and Goodness of the Fit

Bootstrap, Bagging, and Random Forests

Learn about Bootstrap, bagging, and random forest.

We'll cover the following

Bootstrap
Bagging
Random forest

Let's cover the theoretical background and critical concepts governing decision tree learning and random forest.

Bootstrap

Bootstrap is a widely applicable and powerful statistical tool that can quantify the uncertainty associated with a given estimator or statistical learning method. Consider that we have a dataset with 100 values and we want to estimate the sample’s mean. This can be done as follows:

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