With enough data from the two correlands, this goes away. I don’t know the exact math, but I think there’s a way to say the number of variables you’re looking at, and the strength of a given correlation, and get a probability that it’s really there.
This goes away only in the limit as the sample size goes to infinity.
For a finite sample size (and given a certain set of assumptions) you can establish a range of values within which you believe “true” correlation resides, but this range will never contract to a single point.
With enough data from the two correlands, this goes away. I don’t know the exact math, but I think there’s a way to say the number of variables you’re looking at, and the strength of a given correlation, and get a probability that it’s really there.
This goes away only in the limit as the sample size goes to infinity.
For a finite sample size (and given a certain set of assumptions) you can establish a range of values within which you believe “true” correlation resides, but this range will never contract to a single point.