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In this video we continue our illustration of one-way ANOVA models in R
through Example 11 in Mod13Script.R. You should open this script in
RStudio and follow along while watching. In this…
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In this video we introduce analysis of variance (ANOVA) models in R. These models are typically fitted with the aov() function, which is a wrapper for the lm() function. It produces an object that…
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This video features the second half of our coverage of Example 9 in
Mod13Script.R. You should open this script in RStudio and follow along
while watching. Here we we consider adding quadratic…
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This video gives a brief introduction to the lm() function for linear regression modeling in R. The basic syntax of this function is covered, including some attention to the specification of the…
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We continue to discuss data structures in R, this time focusing on lists. Unlike vectors, matrices and arrays, the elements of a list may be of different modes. This makes them very flexible and…
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In this video we continue with Example #7 from Mod7Examps.sas, in which we regress the city mpg on weight for 93 cars in the 1993 Consumer Reports Cars dataset. Here we consider a model that is…
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