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mis445 discussion 7 250 words using r

S&P 500 is a stock market index based on the market capitalization of 500 large companies in the U.S. Go to the FRED Economic Data website (Links to an external site.)Links to an external site. for S&P 500 and download the data for just one year. You may choose any one-year window.

  1. Using R, create a time series plot for the dataset. Describe the plot.
  2. Using R, fit the dataset to linear regression and moving average models. Which model do you think is a better predictive model? Explain why.
  3. Discuss how you can improve the prediction.

Support your post with information and concepts from the class readings. Use APA-style references wherever necessary to support your discussion.

Link for R download:

http://cran.r-project.org/

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