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In diesem Kurs gibt es 3 Module
This introductory course is for SAS software users who perform statistical analyses using SAS/STAT software. The focus is on t tests, ANOVA, and linear regression, and includes a brief introduction to logistic regression.
Welcome! We'll get started with a brief overview of the course and set up data you need to do the practices in this course. Then, you will learn about the models required to analyze different types of data and the difference between explanatory vs predictive modeling. You will review fundamental statistical concepts, such as the sampling distribution of a mean, hypothesis testing, p-values, and confidence intervals. After reviewing these concepts, you apply one-sample and two-sample t tests to data to confirm or reject preconceived hypotheses.
Das ist alles enthalten
19 Videos6 Lektüren8 Aufgaben
Infos zu Modulinhalt anzeigen
19 Videos•Insgesamt 54 Minuten
Welcome and Meet the Instructor•2 Minuten
Demo: Exploring Ames Housing Data•11 Minuten
Overview•1 Minute
Statistical Modeling: Types of Variables•1 Minute
Overview of Models•3 Minuten
Explanatory versus Predictive Modeling•1 Minute
Population Parameters and Sample Statistics•2 Minuten
Normal (Gaussian) Distribution•3 Minuten
Standard Error of the Mean•1 Minute
Confidence Intervals•2 Minuten
Statistical Hypothesis Test•4 Minuten
p-Value: Effect Size and Sample Size Influence•3 Minuten
Scenario•1 Minute
Performing a t Test•4 Minuten
Demo: Performing a One-Sample t Test Using PROC TTEST•4 Minuten
Scenario•1 Minute
Assumptions for the Two-Sample t Test•2 Minuten
Testing for Equal and Unequal Variances•2 Minuten
Demo: Performing a Two-Sample t Test Using PROC TTEST•5 Minuten
6 Lektüren•Insgesamt 51 Minuten
Learner Prerequisites•1 Minute
Access SAS Software and Set up Data (REQUIRED)•10 Minuten
Completing Demos and Practices•10 Minuten
Course Logistics FAQs•10 Minuten
Parameters and Statistics•10 Minuten
Normal Distribution•10 Minuten
8 Aufgaben•Insgesamt 145 Minuten
Knowledge Check: Statistical Modeling•15 Minuten
Knowledge Check: Statistical Concepts•15 Minuten
Knowledge Check: Hypothesis Test & p-value•15 Minuten
Knowledge Check: One-Sample t Tests•15 Minuten
Using PROC TTEST to Perform a One-Sample t Test•20 Minuten
Knowledge Check: Two-Sample t Tests•15 Minuten
Practice - Using PROC TTEST to Compare Groups•20 Minuten
Introduction and Review of Concepts•30 Minuten
ANOVA and Regression
Modul 2•4 Stunden abzuschließen
Moduldetails
In this module you learn to use graphical tools that can help determine which predictors are likely or unlikely to be useful. Then you learn to augment these graphical explorations with correlation analyses that describe linear relationships between potential predictors and our response variable. After you determine potential predictors, tools like ANOVA and regression help you assess the quality of the relationship between the response and predictors.
Das ist alles enthalten
29 Videos2 Lektüren14 Aufgaben
Infos zu Modulinhalt anzeigen
29 Videos•Insgesamt 70 Minuten
Overview•1 Minute
Scenario•1 Minute
Identifying Associations in ANOVA with Box Plots•2 Minuten
Demo: Exploring Associations Using PROC SGPLOT•2 Minuten
Identifying Associations in Linear Regression with Scatter Plots•1 Minute
Demo: Exploring Associations Using PROC SGSCATTER•2 Minuten
Scenario•1 Minute
The ANOVA Hypothesis•1 Minute
Partitioning Variability in ANOVA•2 Minuten
Coefficient of Determination•1 Minute
F Statistic and Critical Values•2 Minuten
The ANOVA Model•3 Minuten
Demo: Performing a One-Way ANOVA Using PROC GLM•7 Minuten
Scenario•1 Minute
Multiple Comparison Methods•3 Minuten
Tukey's and Dunnett's Multiple Comparison Methods•2 Minuten
Diffograms and Control Plots•1 Minute
Demo: Performing a Post Hoc Pairwise Comparison Using PROC GLM•7 Minuten
Scenario•1 Minute
Using Correlation to Measure Relationships between Continuous Variables•1 Minute
Hypothesis Testing for a Correlation•1 Minute
Avoiding Common Errors When Interpreting Correlations•5 Minuten
Demo: Producing Correlation Statistics and Scatter Plots Using PROC CORR•6 Minuten
Scenario•1 Minute
The Simple Linear Regression Model•1 Minute
How SAS Performs Simple Linear Regression•1 Minute
Comparing the Regression Model to a Baseline Model•2 Minuten
Hypothesis Testing and Assumptions for Linear Regression•1 Minute
Demo: Performing Simple Linear Regression Using PROC REG•7 Minuten
2 Lektüren•Insgesamt 20 Minuten
What Does a CLASS Statement Do?•10 Minuten
Correlation Analysis and Model Building•10 Minuten
14 Aufgaben•Insgesamt 155 Minuten
Question 2.01•5 Minuten
Question 2.02•5 Minuten
Question 2.03•5 Minuten
Question 2.04•5 Minuten
Practice - Performing a One-Way ANOVA•20 Minuten
Question 2.05•5 Minuten
Question 2.06•5 Minuten
Practice - Using PROC GLM to Perform Post Hoc Parwise Comparisons•20 Minuten
Question 2.07•5 Minuten
Question 2.08•5 Minuten
Practice - Describing the Relationship between Continuous Variables•20 Minuten
Question 2.09•5 Minuten
Practice - Using PROC REG to Fit a Simple Linear Regression Model•20 Minuten
ANOVA and Regression•30 Minuten
More Complex Linear Models
Modul 3•2 Stunden abzuschließen
Moduldetails
In this module you expand the one-way ANOVA model to a two-factor analysis of variance and then extend simple linear regression to multiple regression with two predictors. After you understand the concepts of two-way ANOVA and multiple linear regression with two predictors, you'll have the skills to fit and interpret models with many variables.
Das ist alles enthalten
13 Videos1 Lektüre5 Aufgaben
Infos zu Modulinhalt anzeigen
13 Videos•Insgesamt 43 Minuten
Overview•2 Minuten
Scenario•1 Minute
Applying the Two-Way ANOVA Model•4 Minuten
Demo: Performing a Two-Way ANOVA Using PROC GLM•7 Minuten
Interactions•3 Minuten
Demo: Performing a Two-Way ANOVA With an Interaction Using PROC GLM•6 Minuten
Demo: Performing Post-Processing Analysis Using PROC PLM•4 Minuten
Scenario•1 Minute
The Multiple Linear Regression Model•3 Minuten
Hypothesis Testing for Multiple Regression•1 Minute
Multiple Linear Regression versus Simple Linear Regression•3 Minuten
Adjusted R-Square•2 Minuten
Demo: Fitting a Multiple Linear Regression Model Using PROC REG•7 Minuten
1 Lektüre•Insgesamt 10 Minuten
The STORE Statement•10 Minuten
5 Aufgaben•Insgesamt 80 Minuten
Question 3.01•5 Minuten
Practice - Performing a Two-Way ANOVA Using PROC GLM•20 Minuten
Question 3.02•5 Minuten
Practice - Performing Multiple Regression Using PROC REG•20 Minuten
More Complex Linear Models•30 Minuten
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