Originally Posted by RChung

I just realized there was an error in my calculation, so I re-did the entire thing again. Here's the summary plot, showing his data at 1, 5, 10, 15, etc. second averages. I've suppressed the scales on the x and y-axes to hide his actual values but the x-axis is power and the y-axis is hr. The correlation coeff is in the lower right of each panel.

Sorry for my error; thanks for making me think about it again.