Tag Archives: loess
Creating prediction distributions
Here we give details and code for the prediction distributions exhibited in yesterday’s blog post “Tis the season to predict”. [Revision: There was a problem with the plots published in that post. For corrected plots and an explanation of the error, see Revised market prediction distributions.] Eight years of returns The equity indices use daily … Continue reading
Posted in Fund management in general, R language
Tagged garch simulation, loess, market prediction
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Were stock returns really better in 2007 than 2008?
We know that the S&P 500 was up a little in 2007 and down a lot in 2008. So on the surface the question seems really stupid. But randomness played a part. Let’s have a go at deciding how much of a part. Figure 1: Comparison of 2007 and 2008 for the S&P 500. Statistical … Continue reading
