Supplemental Videos

Disclaimer: These videos were created by Ani Adhikari, John DeNero, and David Wagner for Data 8X, a massive open online course (MOOC). They may not match what is actually covered in the Spring 2021 offering of Data 8, and should not be used as the primary resource for the class.

Introduction

• Why Data Science
• Programming
• Jupyter Notebook Intro

Cause and Effect

• Questions
• Association
• Causation
• Confounding

Tables

• Tables
• Select
• Sorting
• Bar Charts

Data Types

• Names
• Call Expressions
• Arithmetic
  • Arithmetic Question
• Arrays
• Columns
• Strings
  • Strings Exercise
  • Exercise Answer

Building Tables

• Creating Tables
• Take
• Where

Census

• Census
• Column Arithmetic
• Accessing Values
• Males and Females

Charts

• Line Graphs
  • Example One
• Scatter Plots
  • Example Two
• How to Choose
• Types of Data
• Distributions
  • Example Three

Histograms

• Area Principle
• Binning
  • Example One
• Drawing Histograms
• Density
  • Example Two
  • Example Three

Functions

• Defining Functions
• Defining Functions Discussion
• Apply
• Example Prediction

Groups

• One Attribute
• Cross Classification
  • Example One
• Pivot Tables
  • Example Two
• Comparing Distributions

Joins

• Joins
• Bikes
• Shortest Trips
• Maps

Table Examples

• Table Method Review
• Discussion Questions
• Midterm Question
• Advanced Where

 Iteration

• Comparison
• Predicates
• Selection
• Random Selection Discussion
• Print
• Control Statements
• For Statements

Chance

• Monty Hall Problem
• Probability
• Multiplication Rule
• Addition Rule
• Probability Example

Sampling

• Probability and Sampling
• Sampling
• Distributions
• Large Random Samples
• Simulation
• Statistics

Models

• Assessing Models
• A Model About Random Selection
• A Genetic Model
• Example

Comparing Distributions

• Introduction
• Total Variation Distance
• Assessment
• Summary

Decisions and Uncertainty

• Introduction and Terminology
• Performing a Test
• Statistical Significance
• An Error Probability
• Origin of the Conventions

P-values & A/B Testing

• Introduction
• Hypotheses and Statistics
• Performing the Test
• Deflategate Example
• Deflategate Testing

Causality

• Introduction
• Hypotheses
• Test Statistic
• Performing a Test

Confidence Intervals

• Percentiles
• Estimation
• Estimate Variability
• The Bootstrap

Interpreting Confidence

• Applying the Bootstrap
• Confidence Interval Pitfalls
• Confidence Interval Tests

Center and Spread

• Introduction
• Average and Median
• Standard Deviation
• Chebyshev’s Bounds

The Normal Distribution

• Standard Units
• SD and Bell Curves
• Normal Distribution
• Central Limit Theorem

Correlation

• Visualization
• Calculation
• Interpretation

Linear Regression

• Prediction
• Linear Regression
• Regression to the Mean
• Regression Equation
• Interpreting the Slope