May 2019
Beginner to intermediate
266 pages
5h 57m
English
Content preview from Hands-On Exploratory Data Analysis with R
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Residual plots
A residual plot is a graph that displays the residuals on the vertical axis specified and the independent variable on the horizontal axis. In the event that the points in a residual plot are dispersed in a random manner around the horizontal axis, it is appropriate to use a linear regression model for the data. If the data is not dispersed, a non-linear model is more appropriate.
We can create and customize the residual plot using the steps mentioned as follows:
- Include the library within the R workspace. This is considered a mandatory step:
> library(ggplot2)Attaching package: 'ggplot2'The following object is masked _by_ '.GlobalEnv':mpgWarning message:package 'ggplot2' was built under R version 3.5.3
- Use the required ...
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