ConfIntVariance (1.0.2)

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Confidence Interval for the Univariate Population Variance without Normality Assumption.

Surrounds the usual sample variance of a univariate numeric sample with a confidence interval for the population variance. This has been done so far only under the assumption that the underlying distribution is normal. Under the hood, this package implements the unique least-variance unbiased estimator of the variance of the sample variance, in a formula that is equivalent to estimating kurtosis and square of the population variance in an unbiased way and combining them according to the classical formula into an estimator of the variance of the sample variance. Both the sample variance and the estimator of its variance are U-statistics. By the theory of U-statistic, the resulting estimator is unique. See Fuchs, Krautenbacher (2016) and the references therein for an overview of unbiased estimation of variances of U-statistics.

Maintainer: Mathias Fuchs
Author(s): Mathias Fuchs

License: GPL-3

Uses: Does not use any package

Released 9 months ago.



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