383 search results for "anova"

Linear Regression and ANOVA shaken and stirred (Part 2)

March 20, 2017
By

In the first part of this entry I did show some mtcars examples, where am can be useful to explain ANOVA as its observations are defined as: $$ am_i = \begin{cases}1 &\text{ if car } i \text{ is manual} \cr 0 &\text{ if car } i \text{ is automatic}\end{cases} $$ Now I'll show another example to continue the last example from...

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Linear Regression and ANOVA shaken and stirred (Part 2)

March 20, 2017
By

In the first part of this entry I did show some mtcars examples, where am can be useful to explain ANOVA as its observations are defined as: $$ am_i = \begin{cases}1 &\text{ if car } i \text{ is manual} \cr 0 &\text{ if car } i \text{ is automatic}\end{cases} $$ Now I'll show another example to continue the last example from...

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Linear Regression and ANOVA shaken and stirred (Part 1)

March 19, 2017
By

Linear Regression and ANOVA concepts are understood as separate concepts most of the times. The truth is they are extremely related to each other being ANOVA a particular case of Linear Regression. Even worse, its quite common that students do memorize equations and tests instead of trying to understand Linear Algebra and Statistics concepts that can keep you away...

Read more »

Linear Regression and ANOVA shaken and stirred (Part 1)

March 19, 2017
By

Linear Regression and ANOVA concepts are understood as separate concepts most of the times. The truth is they are extremely related to each other being ANOVA a particular case of Linear Regression. Even worse, its quite common that students do memorize equations and tests instead of trying to understand Linear Algebra and Statistics concepts that can keep you away...

Read more »

One way MANOVA exercises

March 17, 2017
By
One way MANOVA exercises

In ANOVA our interest lies in knowing if one continuous dependent variable is affected by one or more categorical independent variables. MANOVA is an extension of ANOVA where we are now able to understand how several dependent variables are affected by independent variables. For example consider an investigation where a medical investigator has developed 3 Related exercise sets:

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Raccoon | Ch 2.5 – Unbalanced and Nested Anova

February 21, 2017
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Raccoon | Ch 2.5 – Unbalanced and Nested Anova

Raccoon is a free web-book about Statistical Models with R. This chapter tackles two Anova special cases: Unbalanced Anova and Nested Anova . The post Raccoon | Ch 2.5 – Unbalanced and Nested Anova appeared first on Quantide - R training & consulting.

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Linear Regression and ANOVA shaken and stirred

February 21, 2017
By

Linear Regression and ANOVA concepts are understood as separate concepts most of the times. The truth is they are extremely related to each other being ANOVA a particular case of Linear Regression. Even worse, its quite common that students do memorize equations and tests instead of trying to understand Linear Algebra and Statistics concepts that can keep you away...

Read more »

Raccoon | Ch 2.5 – Unbalanced Anova with one obs dropped

February 16, 2017
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Raccoon | Ch 2.5 – Unbalanced Anova with one obs dropped

Raccoon is a free web-book about Statistical Models with R. It's the collection of twenty years of notes, exercises and concepts working with statistics and R. This is the fifth section of the second chapter, about unbalanced Anova with one obs dropped. The post Raccoon | Ch 2.5 – Unbalanced Anova with one obs dropped appeared first...

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Raccoon | Ch 2.4 – 3-way Anova

February 1, 2017
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Raccoon | Ch 2.4 – 3-way Anova

3-way Anova with R: how to find which factors influence a variable Y, analysing the difference between the group means defined by factors’ levels. A new chapter of Raccoon, a Quantide's free web book about Statistical Models with R. The post Raccoon | Ch 2.4 – 3-way Anova appeared first on Quantide - R training...

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Raccoon | Ch 2.3 – 1-way Anova

January 12, 2017
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Raccoon | Ch 2.3 – 1-way Anova

Raccoon is a free web-book about Statistical Models with R. It's the collection of twenty years of notes, exercises and concepts working with statistics and R. This is the third section of the second chapter, about 1-way Anova. The post Raccoon | Ch 2.3 – 1-way Anova appeared first on Quantide - R training &...

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