R, ggplot, and Simple Linear Regression

Description

In this course, you will learn:-

• R and RStudio must be installed.
• In R, you can make vectors and data frames.
• With ggplot, you can plot points and lines.
• Data frames can be used to access vectors.
• ggplot can be used to group data.
• ggplot can be used to plot residual lines.
• A least squares line is fitted to a data set.
• For prediction, use a least squares line.

Syllabus:-

• Introduction

• Installing R and RStudio

• A Tour of RStudio

• Vectors in R

• Data Frames

• Installing ggplot2

• Plotting a point with ggplot

• Controlling axis properties

• More with color and shape

• Graphing lines with ggplot

• More with lines

• Normal populations

• Plotting a vertical sample

• Plotting several vertical samples

• Samples along a line

• sapply

• Cloud of point

• Father and son heights

• Equation of a line

• Residual visualization

• Sum of squared residuals

• The least squares line

• Prediction

• Reading in Excel files

• Course wrap-up