Complete Exercise 6 at the end of Chapter 6 in the textbook. Then, write a paper that reconstructs a time series forecast. Cite at least one outside source to answer the last part of the assignment, in which you are asked to compare forecasts from stlf() with those from snaive(), using a test set comparing the last two years of data. Which is better? Also, what errors discussed in this module, if any, could occur when creating this forecast?