Q-Squared (full title Star Trek: The Next Generation – Q-Squared) is a non-canon Star Trek novel by Peter David. It spent five weeks on the New York Times...

In probability theory and statistics, the chi-squared distribution (also chi-square or χ 2 {\displaystyle \chi ^{2}} -distribution) with k {\displaystyle...

In statistics, the mean squared error (MSE) or mean squared deviation (MSD) of an estimator (of a procedure for estimating an unobserved quantity) measures...

Q, or q, is the seventeenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others...

1994 novel Q-Squared that Trelane is a member of the Continuum, and that Q is his godfather (with it being all-but-explicitly stated that Q is actually...

statistic is chi-squared distributed under the null hypothesis, specifically Pearson's chi-squared test and variants thereof. Pearson's chi-squared test is used...

RMSD is the square root of the average of squared errors. The effect of each error on RMSD is proportional to the size of the squared error; thus larger...

probability theory and statistics, the noncentral chi-squared distribution (or noncentral chi-square distribution, noncentral χ 2 {\displaystyle \chi ^{2}}...

(lo & ((1 << QUARTER_BITS) - 1)); let q_squared = q * q; if r < q_squared { r += 2 * s - 1; s -= 1; } r -= q_squared; return (s, r); } Some programming languages...

{\displaystyle p} to q {\displaystyle q} as its hypotenuse. The two squared formulas inside the square root give the areas of squares on the horizontal and...

In statistics, a Q–Q plot (quantile–quantile plot) is a probability plot, a graphical method for comparing two probability distributions by plotting their...

generalize squared distance, in some cases satisfying a generalized Pythagorean theorem. In general D KL ( P ∥ Q ) {\displaystyle D_{\text{KL}}(P\parallel Q)}...

Kanbur, Ravi (2003), "Q-squared?: a commentry on qualitative and quantitative poverty appraisal", in Kanbur, Ravi (ed.), Q-squared, combining qualitative...

successive peaks drop off as the order of the peak (and so q {\displaystyle q} ) squared. Unlike finite-size effects that broaden peaks but do not decrease...

mathematics, a Q-matrix is a square matrix whose associated linear complementarity problem LCP(M,q) has a solution for every vector q. M is a Q-matrix if there...

the coefficient of determination, denoted R2 or r2 and pronounced "R squared", is the proportion of the variation in the dependent variable that is...

or have central chi-squared components, or omit the normal term. Since a non-central chi-squared variable is a sum of squares of normal variables with...

are proportional to the sum of squared residuals (SSR) of the model, then the best (in the sense of the mean squared error) estimator in this class will...

son Q returned in another Voyager episode, "Q2", during which the younger Q wrote an essay also titled "I, Q." Q-in-Law Q-Squared Star Trek: The Q Continuum...

In statistics the mean squared prediction error (MSPE), also known as mean squared error of the predictions, of a smoothing, curve fitting, or regression...

similarity between Q and Trelane inspired writer Peter David to posit in his 1994 novel Q-Squared that Trelane is a member of the Q Continuum, and Q is his godfather...

The Q-statistic or q-statistic is a test statistic: The Box-Pierce test outputs a Q-statistic (uppercase) which follows the chi-squared distribution The...

real square matrix whose columns and rows are orthonormal vectors. One way to express this is Q T Q = Q Q T = I , {\displaystyle Q^{\mathrm {T} }Q=QQ^{\mathrm...

successive peaks drop off as the order of the peak (and so q {\displaystyle q} ) squared. Unlike finite-size effects that broaden peaks but do not decrease...

years ago." Encounter at Farpoint Deja Q All Good Things... I, Q Q-Squared Q-in-Law Cox, Greg (November 1998). The Q Continuum. Science Fiction Book Club...

parametrize the inverse gamma distribution differently, as a scaled inverse chi-squared distribution. The inverse gamma distribution's probability density function...

}}{\begin{bmatrix}q\times 1\\(N-q)\times 1\end{bmatrix}}} Σ = [ Σ 11 Σ 12 Σ 21 Σ 22 ]  with sizes  [ q × q q × ( N − q ) ( N − q ) × q ( N − q ) × ( N − q ) ] {\displaystyle...

Avenue Q is a musical comedy featuring puppets and human actors with music and lyrics by Robert Lopez and Jeff Marx and book by Jeff Whitty. It won Best...

population standard deviation is found by taking the square root of the average of the squared deviations of the values subtracted from their average...

family of scaled inverse chi-squared distributions is linked to the inverse-chi-squared distribution and to the chi-squared distribution: If X ∼ ψ inv-...