sophisticated ideas of probability theory. Its symbolism allows the treatment ofsums, products, ratios and general functions ofrandomvariables, as well as...
Sub-Gaussian distribution Sumofnormallydistributedrandomvariables Tweedie distribution – The normal distribution is a member of the family of Tweedie exponential...
counterexamples for more than two randomvariables. In general, they sum to a mixture model.[citation needed] In general, randomvariables may be uncorrelated but...
Cantor Fisher–Tippett (or Gumbel) Pareto Benford's law Sumofnormallydistributedrandomvariables Borel's paradox (Related topics: integral transforms)...
f(X)=X} of the randomvariable. However, even for non-real-valued randomvariables, moments can be taken of real-valued functions of those variables. For...
distribution of a sumof squared standard normal variables; useful e.g. for inference regarding the sample variance ofnormallydistributed samples (see...
special case of another with a broader parameter space Transforms (function of a randomvariable); Combinations (function of several variables); Approximation...
for example, the variance of a sumof uncorrelated randomvariables is equal to the sumof their variances. A disadvantage of the variance for practical...
theory, the probability distribution of the sumof two or more independent randomvariables is the convolution of their individual distributions. The term...
probability theory and statistics is a measure of the joint variability of two randomvariables. The sign of the covariance, therefore, shows the tendency...
type of algebra for randomvariables: Related to the product distribution are the ratio distribution, sum distribution (see List of convolutions of probability...
random variables. A sumof discrete randomvariables is still a discrete randomvariable, so that we are confronted with a sequence of discrete random variables...
where a random variate X has a 50% chance of being +1 and a 50% chance of being -1. A series (that is, a sum) of Rademacher distributedvariables can be...
distributed angle. It is also the distribution of the ratio of two independent normallydistributedrandomvariables with mean zero. The Cauchy distribution...
needed] effects of a linear function of a set of explanatory variables) by the principle of least squares: minimizing the sumof the squares of the differences...
average will be normallydistributed (as the average of a set ofnormallydistributedvariables). The variance of the sum is equal to the sumof the variances...
causal or not, between two randomvariables or bivariate data. Although in the broadest sense, "correlation" may indicate any type of association, in statistics...
(in other words independent and identically distributedrandomvariables are the simplest representation of white noise). In particular, if each sample...
information (MI) of two randomvariables is a measure of the mutual dependence between the two variables. More specifically, it quantifies the "amount of information"...
identically distributed trials, where the observation Yi is the number of successes observed (the sumof the individual Bernoulli-distributedrandomvariables),...
conditional mean of a randomvariable is its expected value evaluated with respect to the conditional probability distribution. If the randomvariable can take...
of the slope coefficient will itself be normallydistributed with mean β and variance σ 2 / ∑ ( x i − x ¯ ) 2 , {\displaystyle \sigma ^{2}\left/\sum (x_{i}-{\bar...
distribution for nonnegative-valued randomvariables. Up to rescaling, it coincides with the chi distribution with two degrees of freedom. The distribution is...
probabilities of the different possible outcomes of a categorically distributed dependent variable, given a set of independent variables (which may be...