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Results tagged with dispersion
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user 173082
This tag is very ambiguous. Dispersion is a general term for how spread apart values are. For questions related to disease dissemination content, use the tag epidemiology. For other meanings of dispersion consider using a related tag or creating a new one.
3
votes
Which measure of dispersion is this function related to?
This would not be a good measure of dispersion (even for $c=2$), since the raw sample moments do not capture the dispersion well. …
- 133k
3
votes
Vector-valued estimators, intuitively why $var(\widetilde{\beta})-var(\widehat{\beta})$ bein...
This condition is a natural extension of the scalar variance inequality. The condition that $\mathbb{V}(\tilde{\boldsymbol{\alpha}})-\mathbb{V}(\hat{\boldsymbol{\alpha}})$ is positive definite is equ …
- 133k
3
votes
How to measure dispersion in word frequency data?
One possible measure of equality you could use is the scaled Shannon entropy. If you have a vector of proportions $\boldsymbol{p} \equiv (p_1, ... , p_n)$ then this measure is given by:
$$\bar{H}(\b …
- 133k