Multiple linear regression
A particular benefit to A/B design is the grouping variable, allowing it to further assess resulting data.
A company is interested in whether the group of ad design, Old or New, in addition to the amount of time spent searching for items on their website, TimeSearching, impacts the amount of money spent, AmountSpent. Create a linear regression model to assess these variables on the amount of money spent on the website.
The SiteSales dataset has been loaded for you.
Este exercício faz parte do curso
A/B Testing in R
Instruções do exercício
- Create a linear model called
grpmodelincluding the grouping variableAdwithTimeSearchingimpactingAmountSpent.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# Create a linear model including group
grpmodel <- lm(___ ~ ___ + ___, data = SiteSales)
summary(___)