Tagged Questions
1
vote
1answer
74 views
How to calculate the HHG (Heller Heller Gorfine) distance in R
In looking at this question and investigating some recent developments in measuring correlation, I came across the HHG (Heller Heller Gorfine) test. Heller et al. promote it as superior to the ...
3
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0answers
106 views
Comparing model fit with heteroscedastic data
I am developing a physiological test using R that requires some parameters optimised. In comparing the new method against the existing method, the values of individual readings correlate in a linear ...
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2answers
415 views
When is brownian covariance less appropriate than linear covariance?
I've just been introduced (vaguely) to brownian/distance covariance. It seems particularly useful in many non-linear situations, when testing for dependence. But it doesn't seem to be used very often, ...