Test of Jones method for .02
Posted by Roger Hunter on October 13, 2002 at 15:02:27:

.02;

You asked about sliding the Jones windows forward a day at a time to check for differences. Here are the results of doing that for an 8 day window.

Data file was all quakes 6.5 and up, 1973 thru 2000.
Window was moved forward 1 day each pass.

There are 10227 days in the prediction period.
There are 1237 quakes in this file.
Start: 0
Window size 8
There are 1278 windows in the prediction period.
There were 743 windows containing quakes.
This is a probability of 58.14 % by chance.

Start: 1
Window size 8
There are 1278 windows in the prediction period.
There were 737 windows containing quakes.
This is a probability of 57.67 % by chance.

Start: 2
Window size 8
There are 1278 windows in the prediction period.
There were 744 windows containing quakes.
This is a probability of 58.22 % by chance.

Start: 3
Window size 8
There are 1278 windows in the prediction period.
There were 735 windows containing quakes.
This is a probability of 57.51 % by chance.

Start: 4
Window size 8
There are 1278 windows in the prediction period.
There were 746 windows containing quakes.
This is a probability of 58.37 % by chance.

Start: 5
Window size 8
There are 1278 windows in the prediction period.
There were 750 windows containing quakes.
This is a probability of 58.69 % by chance.

Start: 6
Window size 8
There are 1278 windows in the prediction period.
There were 739 windows containing quakes.
This is a probability of 57.82 % by chance.

Start: 7
Window size 8
There are 1278 windows in the prediction period.
There were 739 windows containing quakes.
This is a probability of 57.82 % by chance.

There are some differences but nothing major.

Roger


Follow Ups:
     ● Re: Test of Jones method for .02 - 2cents  16:07:35 - 10/13/2002  (17035)  (1)
        ● Re: Test of Jones method for .02 - Roger Hunter  16:43:39 - 10/13/2002  (17038)  (0)