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02-13-2015, 11:20 AM
Wait a minute Roger. The way you worded that comes across reads as completely unfair. I have a proposal due Tuesday so have not gone through Duffy's recent posts, but if there really is a M6+ quake within a day or less of EVERY signal, then that would be pretty spectacular. That is because M6 quakes are not evenly distributed in time, and it is pretty common to go quite a few days with no M6+ quakes
The way to proceed is to plot a list of signals again a list of M6+ quakes on a graph. It would be pretty clear visually if there is something going on. If it looks like there is a relation qualitatively, it is probably pretty simple to get the statistical significance: no need to make it complicated, just 2 rows of numbers, I don't know how to do this, but Brian or you probably do.
I will read Duffy's posts eventually.
Chris
"The problem is that there were 156 such quakes in the list so just about any date you pick will have one in the next day or so."
The way to proceed is to plot a list of signals again a list of M6+ quakes on a graph. It would be pretty clear visually if there is something going on. If it looks like there is a relation qualitatively, it is probably pretty simple to get the statistical significance: no need to make it complicated, just 2 rows of numbers, I don't know how to do this, but Brian or you probably do.
I will read Duffy's posts eventually.
Chris
"The problem is that there were 156 such quakes in the list so just about any date you pick will have one in the next day or so."