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Results tagged with statistics
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user 923
Statistics is the study of the collection, organization, analysis, and interpretation of data.
2
votes
Scatter plot: calculate box where 80 % of the points are
Your question seems to imply that there will always be just a single cluster of points. If this is the case, I would go with a fairly simple heuristic like the following-
Calculate the mean and vari …
- 12.2k
2
votes
Accepted
Signal Processing in Amateur Radio Astronomy
The signal processing operation that measures how "alike" two signals are is called cross-correlation. For cross-correlation to work both signals must be sampled at the same rate. If they aren't, yo …
- 12.2k
3
votes
On computing the number of independent values from a signal's bandwidth?
It comes from the Nyquist rate. The Nyquist sample rate for a signal with bandwidth $B$ is $2B$. In other words, that is the lowest sample rate that will contain all of the information in the signal …
- 12.2k
3
votes
Accepted
Normalized cross-correlation in detail
An individual inner product does produce a scalar, but often when a cross correlation is calculated multiple individual cross correlations (i.e. dot products) are calculated at different time offsets. …
- 12.2k
1
vote
How can I calculate the Expectation for a particular known vector?
First off, I would read Examples of Independent and uncorrelated data in real-life, and ways to measure/detect them.
It will likely prove useful to you.
If you are looking for something quick, easy, a …
- 12.2k