Introduction
AI and data science: Introduction
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What you should know
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Using the course exercise files
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1. Introduction to Data Science
Data science explained
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Data or information: What's the difference?
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Data's increasing influence
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Comparing data roles
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Necessary skills for data science
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Real-world applications
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Challenge: Data
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Solution: Data
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2. AI, ML, and DL
The evolving face of artificial intelligence
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Machine learning problem classifications
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Machine learning approaches for business scenarios
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Challenge: AI
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Solution: AI
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3. Introduction to Stats and Probability
Statistics defined
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Statistical mindset
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Types of statistics
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Descriptive statistics
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Inferential statistics (probability)
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Python
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Challenge: Statistics
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Solution: Statistics
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4. The Foundations of Regression Analysis
Dive Into machine learning with regression
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Understanding the essentials of linear regression
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Navigating the world of multiple regression
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Decoding the secrets of the regression line
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Perfecting your model: Evaluation and validation
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5. Advanced Techniques and Model Refinement
From Predicting to Understanding
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Breaking Down Data Relationships with Regression
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Crafting Elegance in Machine Learning Models
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Hitting the Right Note - The Bias-Variance Trade-off
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Fine-Tuning Your Models
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Remixing Data with Bootstrapping
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Regression Analysis: A Practical Application
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6. Practical Applications and Beyond
Model Diagnostics and Assumption Testing
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Unlocking the Secrets Behind Coefficients
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Polynomial Paths and Interactions
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Striking a Balance with Regularization Techniques
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Beyond the Basics - Advanced Model Evaluation Metrics
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Non-parametric Regression Methods
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Case Studies in Regression Analysis
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7. Predicting House Prices with Linear Regression
Project goal
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Project steps
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Python environment setup
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Project approach
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8. Data Preparation and Exploration
Importing necessary libraries and dataset overview
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Loading the data
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Checking the data info
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Summary statistics of the dataset
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Checking the distribution of the variables
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Applying log transformation and re-checking distribution
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Challenge: Preparation
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Solution: Preparation
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9. Data Visualization and Exploration
Bivariate analysis: Heat-map
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Visualizing relationships: Age of homes and distance to work
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Visualizing relationships: Highway access and property tax
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Checking correlation after removing outliers
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Visualizing relationships: Other pairs of variables
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Challenge: Visualization
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Solution: Visualization
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10. Data Preprocessing
Splitting the dataset into train and test sets
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Checking for multicollinearity using VIF
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Removing multicollinearity by dropping the tax feature
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Challenge: Preprocessing
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Solution: Preprocessing
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11. Model Building and Evaluation
Creating the linear regression model and model summary: Part 1
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Creating the linear regression model and model summary: Part 2
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Creating the linear regression model and model summary: Part 3
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Dropping insignificant variables and re-creating the model
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Checking assumptions for linear regression
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Assumption 1: Checking for mean residuals
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Assumption 2: Checking homoscedasticity
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Assumption 3: Checking linearity
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Assumption 4: Checking normality of error terms
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Q-Q plot for checking the normality of error terms
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Model performance comparison on train and test data
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Applying cross-validation and evaluation
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Challenge: Model building
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Solution: Model building
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12. Model Interpretation and Reporting
Extracting and creating a DataFrame of coefficients
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Writing the linear regression equation and coefficients
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Conclusions and business recommendations
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Challenge: Interpretation
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Solution: Interpretation
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13. Final Project
Final project details
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Final project solution walkthrough
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Ex_Files_SQL_for_AI_Data_Science.zip
(3.2 MB)