noncentral chi-square distribution

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noncentral chi-square distribution

[‚nän¦sen·trəl ¦kī ‚skwer ‚dis·trə′byü·shən]
(statistics)
The distribution of the sum of squares of independent normal random variables, each with unit variance and nonzero mean; used to determine the power function of the chi-square test.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
and considering [[DELTA].sub.t] = 1 for the sake of simplicity, [[epsilon]'.sub.l] follows a noncentral Chi-squared distribution with noncentrality parameter [mathematical expression not reproducible].