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Results tagged with standard-deviation
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user 76484
Standard deviation is the square root of the variance of a random variable, an estimator thereof, or a similar measure of the spread of a batch of data.
3
votes
Accepted
Efficiently find the group with largest effect on standard deviation
Let your overall sample be $y_1, y_2,\dots,y_n,$ and let
$$\overline{y}=\frac1n\sum_{i=1}^ny_i$$
be the overall sample mean. Partition the sample into $m$ subgroups, which we will denote by $y_{g_i}.$ …
- 6,039
2
votes
How to get the estimated means and standard deviations of two overlapping circular normal di...
Partial solution
Here's what I would try first:
Copy the data and paste on either side so that you have at least one full cycle with unbroken peaks.
Find the max point, and call that the mean of one …
- 6,039