September 2018
Beginner to intermediate
140 pages
2h 52m
English
Content preview from Applied Data Visualization with R and ggplot2
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Activity: Studying Correlated Variables
Scenario
Sometimes, two variables are highly interdependent, and you'd like to study their variations in greater detail, and then fit a model to it. For example, Facebook might be interested in studying the correlation between the number of Facebook friends and the age of a user, to find out which age group utilizes Facebook the most. They might also be interested in finding out whether the variation is linear.
Aim
To make a scatter plot for the most correlated variables and then fit a linear regression model to it.
Steps for Completion
- Make a subset of the loan dataset.
- Use cor for the preceding loan data subset, and then choose two highly correlated variables in the loan dataset.
- Make a scatter plot ...
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