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In [[statistics]], the '''mean percentage error (MPE)''' is the computed average of percent ...ch other; as a result, the formula can be used as a measure of the [[bias (statistics)|bias]] in the forecasts. ...

...ok |last=Manstavičius |first=E. |title=Probability Theory and Mathematical Statistics |chapter-url=https://www.degruyter.com/document/doi/10.1515/9783112319321-0 ...e integers {{mvar|n}} less than {{mvar|x}} that have fewer than {{math|1=''u'' log(log(''n''))}} small prime factors converges to ...

....|last2=Ridder|first2=A.|title=Variance Reduction|journal= Wiley StatsRef: Statistics Reference Online|date=2017|pages=1–6|doi=10.1002/9781118445112.stat07975|is .... If the set <math>u_i</math> is uniform along [0,&nbsp;1], so are <math>u'_i</math>. Furthermore, covariance is negative, allowing for initial varia ...

...It can be defined in terms of the [[confluent hypergeometric function]] ''U'', by ...displaystyle \omega_{m,n}(x) = \frac{e^{-x+\pi i (m/2-n)}}{\Gamma(1+n-m/2)}U(m/2-n,1+m,x).</math> ...

...erval estimation]] by eliminating procedures based on [[Asymptotic theory (statistics)|asymptotic]] and approximate statistical methods. The main characteristic ...2</math> are the sample mean and the sample variance. Then, defining Z and U thus: ...

{{Bayesian statistics}} :<math>\int U^i(y(t),t)dG^i(t) \geq \int U^i(x(t),t)dG^i(t)</math> ...

{{Short description|Nonparametric test in statistics}} In statistics, the '''Cucconi test''' is a [[nonparametric test]] for jointly comparing [ ...

...math> of the variable <math>\ X\ </math> above a certain threshold <math>\ u ~.</math> This is the so-called conditional excess distribution function, d ...gl\{\ X-u \leq y ~\vert~ X > u\ \Bigr\} = \frac{\ F(u+y) - F(u)\ }{\ 1 - F(u)\ } </math> ...

...I\left(a,b\right)</math>). The [[probability density function]] for <math>U</math> is: \det\left(U\right)^{a-(p+1)/2}\det\left(I_p-U\right)^{b-(p+1)/2}. ...

{{Short description|Statistics named for Richard von Mises}} ...{{harvtxt|Lee|1990}}</ref><ref>{{harvtxt|Koroljuk|Borovskich|1994}}</ref> (U for "[[bias of an estimator|unbiased]]") introduced by [[Wassily Hoeffding] ...

...coefficient''' or '''Theil's U''', is a measure of nominal [[Association (statistics)|association]]. It was first introduced by [[Henri Theil]]{{citation neede U(X|Y) = \frac{H(X)-H(X|Y)}{H(X)} = \frac{I(X;Y)}{H(X)} , ...

In [[probability theory]] and [[directional statistics]], a '''circular uniform distribution''' is a [[probability distribution]] == Descriptive statistics == ...

...089. Accessed 15 Aug. 2022.]</ref> in 1965 in the [[Annals of Mathematical Statistics]]. # <math> (monotonicity) \quad u \leq v \implies Tu \leq Tv </math> ...

In statistics, '''Yule's ''Y''''', also known as the '''coefficient of colligation''', is For a 2×2 table for [[Binary variable|binary variables]] ''U'' and ''V'' with frequencies or proportions ...

...rface.png|thumb|350px|Dini's Surface with constants a = 1, b = 0.5 and 0 ≤ u ≤ 4{{pi}} and 0<v<1.]] | publisher = School of Mathematics and Statistics, University of St Andrews, Scotland ...

...omputation of [[Mann–Whitney U|Mann–Whitney–Wilcoxon]] (MWW) rank-sum test statistics.<ref>{{Cite web |title=www.Ranklets.net |url=http://www.eecs.qmul.ac.uk/~fa ...n of [[Wilcoxon signed-rank test|Wilcoxon rank-sum test]] and Mann–Whitney U-test. It is a non-parametric alternative to the [[Student's t-test|t-test]] ...

...journal |vauthors=Wolfe D, Hogg R | year = 1971 | title = On constructing statistics and reporting data | journal = [[The American Statistician]] | volume = 25 == Equivalent statistics == ...

...[fixed effects model]]. In certain situations it can be more [[efficiency (statistics)|efficient]] than the standard fixed effects (or "within") estimator, for e ...then obtained by using the differenced terms for <math>x</math> and <math>u</math> in OLS: ...

=== U-statistics === {{main|U-statistic}} ...

{{Short description|In statistics, method of making values limited above or below}} In [[statistics]], '''truncation''' results in values that are limited above or below, resu ...