https://www.dropbox.com/sh/smraeqdc4g8dzq1/AAAhNygjPScv2WkEIog1TI2wa?dl=0 has the new Data Miner release. The Rolling Screen now features two improvements.
First, there are four new columns that give you the geometric mean of the results in addition to the average. The geometric mean will always be slightly lower than the average. For example, if your returns are 25% and -20%, the average (also called the arithmetic mean) is (0.25 - 0.2)/2 = 2.5% while the geometric mean will be (1.25 x 0.8)^(1/2) - 1 = 0%. Geometric means give you an accurate view of compounded portfolio returns; arithmetic means give you an accurate view of simultaneous returns.
Second, if you add the command
Include Results: yes
somewhere in the list of Default Settings, you can now get the entire date-by-date list of each iteration in your .csv file. You can now track the results of your rolling tests over the entire time period covered.