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Il y a 4 modules dans ce cours
Welcome to Modern Statistical Computing and Regression Modeling in R. In this course, you will become familiar with computer applications for working with data, including Excel, R, Tableau, and Jupyter Notebooks; and will learn concepts and applications of Monte Carlo methods and regression analysis.
You will learn how R, an interpreted language for analyzing and visualizing data, can be used to accomplish regression analysis, and will have an opportunity to practice with given data sets and code.
This Specialization covers the use of statistical methods in today's business, industrial, and social environments, including several new methods and applications. H.G. Wells foresaw an era when the understanding of basic statistics would be as important for citizenship as the ability to read and write. Modern Statistics for Data-Driven Decision-Making teaches the basics of working with and interpreting data, skills necessary to succeed in Wells’s “new great complex world” that we now inhabit. In this course, learners will develop facility for using software applications for data storage, analysis, and presentation; and will be able to employ Monte Carlo simulations and regression models in working with data. Learn more about the instructors who developed this course. Read the instructor bios and review the learning outcomes for the course.
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9 vidéos9 lectures1 devoir
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9 vidéos•Total 59 minutes
Course Introduction•3 minutes
A Century of Statistical Computing•8 minutes
Excel for Data Analysis•16 minutes
Basic Operations in Tableau•5 minutes
Introduction to R and RStudio, Part 1•6 minutes
Introduction to R and RStudio, Part 2•10 minutes
R Markdown Demo•4 minutes
Jupyter Notebooks, Kernels, and Databricks•3 minutes
Jupyter Lab Demo•3 minutes
9 lectures•Total 113 minutes
Course Resources and Peer Reviews•5 minutes
Course GitHub Repository - For Practice with Data Sets and Code•10 minutes
Instructor Bios•10 minutes
Section Overview•3 minutes
A Century of Statistical Computing•5 minutes
Getting Started with R and RStudio•10 minutes
Demos in R - Resources for Navigating the R Environment•30 minutes
RMarkdown Alternative: Quarto•10 minutes
Reading for Installation of Jupyter•30 minutes
1 devoir•Total 30 minutes
Practice quiz for Tools and Technology for Statisticians and Data Scientists•30 minutes
Using R for Simulation
Module 2•2 heures à terminer
Détails du module
In this module, we will explore pseudo random number generators, learn about seeds and use a seed to generate reproducible results. We will use R’s d, p, q, and r functions to measure and generate random variates. We will conduct a Monte Carlo simulation of an experiment and analyze results from the hypothesis tests executed in R using simulated data.
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11 vidéos2 lectures1 devoir
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11 vidéos•Total 56 minutes
Monte Carlo Simulations•9 minutes
Distributions and PRNG in R•11 minutes
Segment 1: Introduction to Parallel Computing: Benefits and Applications•4 minutes
Segment 2: Parallel Computation in R: Parallel Library and Worker Types •3 minutes
Segment 3: Solving for Side Effects and Optimizing Parallel Computing •2 minutes
Segment 4: Worker Cluster Set-Up and Demo •5 minutes
Using a Simple Cluster Demo•6 minutes
Segment 1: Introduction and Testing a Website Change •3 minutes
Segment 2: Perform the Test •4 minutes
Segment 3: Long Run Performance & Unplanned Early Stopping •5 minutes
Segment 4: Changing Success Rate •4 minutes
2 lectures•Total 20 minutes
Parallel Computing in R Lecture - Video Segment Overview•10 minutes
Simulation Study in R Lecture - Video Chapter Overview•10 minutes
1 devoir•Total 30 minutes
Practice Quiz for Using R Simulation•30 minutes
Linear Model Regression, Diagnostics, and Penalized Versions
Module 3•3 heures à terminer
Détails du module
In this module, we re-visit the ordinary linear regression model. We also use R to fit a regression model and display and interpret model-fit statistics and coefficient summaries and tests.
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21 vidéos4 lectures1 devoir
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21 vidéos•Total 70 minutes
Ordinary Linear Regression•7 minutes
Segment 1: Introduction to Diagnostics and Remediation•1 minute
Segment 2: Introduction to Anscombe’s Quartet and Diagnostic Plots•4 minutes
Segment 3: Influence Diagnostics and Plots•6 minutes
Segment 4: Solving for the Problem of Multicollinearity•2 minutes
Segment 5: Solving for the Problem of Non-Constant Variance•2 minutes
Linear Model and Scope•2 minutes
Formula and Factors, Part 1•10 minutes
Model Matrix and Wilkinson Notation•5 minutes
Segment 1: Scaling Numeric Factors•2 minutes
Segment 2: Handling Categorical Factors•1 minute
Segment 3: Define a Factor in R•2 minutes
Segment 4: Web Site Test and Dummy Coding•3 minutes
Segment 5: Effect Coding•3 minutes
Segment 6: Setting Coding in R•2 minutes
Segment 7: Factors and Fitting•1 minute
Segment 1: The Need for Regularized Regression•5 minutes
Segment 2: Introduction to Regularization Methods and Tools•4 minutes
Segment 3: Comparative Example: Ridge Regression Versus Lasso Regression•2 minutes
Chapter 11: Simple Linear Regression and Correlation (Optional)•70 minutes
Diagnostics & Remediation Lecture - Video Segment Overview•10 minutes
Formula and Factors, Part 2 Lecture - Video Segment Overview•10 minutes
Regularization Lecture - Video Segment Overview•10 minutes
1 devoir•Total 30 minutes
Practice Quiz for Linear Model Regression, Diagnostics, and Penalized Versions•30 minutes
Nonlinear Regression in R
Module 4•3 heures à terminer
Détails du module
In this module, you will use data sets to review and calculate linear and nonlinear models. Be sure to view videos for this module, complete the readings, and any assignments. Begin by reviewing the learning objectives before beginning work in this module.
Inclus
5 vidéos1 lecture2 devoirs1 évaluation par les pairs
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5 vidéos•Total 29 minutes
Using the Linear Model with Transformations•13 minutes
Segment 1: Introduction to GLM Implementation in R•4 minutes
Segment 2: Pneumoconiosis Data Analysis Example with GLM•6 minutes
Segment 3: Aircraft Damage Data Analysis Example•4 minutes
Segment 4: Worsted Yarn Data Re-Visited, Summary and Further Considerations for GLMs•2 minutes
1 lecture•Total 10 minutes
Generalized Linear Models in R - Video Segment Overview•10 minutes
2 devoirs•Total 60 minutes
Nonlinear Regression in R•30 minutes
Nonlinear Regression Quiz•30 minutes
1 évaluation par les pairs•Total 60 minutes
Mini-Project for Modern Statistics for Data-Driven Decision-Making•60 minutes
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