Description
Write your own functions to use LOO-CV and GCV to select the optimal span for loess.
• Test your code on data set Coding3 Data.csv, which can be downloaded from Piazza.
• Report your CV and GCV for 15 span values: 0.20, 0.25, . . . , 0.90.
• Report the optimal value(s) for span based on CV and GCV.
• Plot the fitted curve(s) using the optimal value(s) for span.
What you need to submit?
An R Markdown file in HTML format, which should contain all code used to produce your
results.
Name your file starting with Assignment 3 xxxx netID where “xxxx” is the last 4-dig of
your University ID.