• The root mean square deviation (RMSD) or root mean square error (RMSE) is either one of two closely related and frequently used measures of the differences...
    11 KB (1,620 words) - 18:39, 16 February 2025
  • defined in terms of an integral of the square of the function. In estimation theory, the root-mean-square deviation of an estimator measures how far the...
    19 KB (2,786 words) - 10:02, 9 April 2025
  • In statistics, the mean squared error (MSE) or mean squared deviation (MSD) of an estimator (of a procedure for estimating an unobserved quantity) measures...
    24 KB (3,861 words) - 12:45, 11 May 2025
  • In bioinformatics, the root mean square deviation of atomic positions, or simply root mean square deviation (RMSD), is the measure of the average distance...
    10 KB (1,268 words) - 18:55, 14 October 2024
  • Squared deviations from the mean (SDM) result from squaring deviations. In probability theory and statistics, the definition of variance is either the...
    5 KB (1,016 words) - 18:44, 16 February 2025
  • variation (CV), also known as normalized root-mean-square deviation (NRMSD), percent RMS, and relative standard deviation (RSD), is a standardized measure of...
    30 KB (4,017 words) - 13:36, 17 April 2025
  • variation of the square root of MSD versus downwind distance are commonly used in studying the dispersion phenomenon. Root-mean-square deviation of atomic positions:...
    14 KB (2,605 words) - 00:42, 20 April 2025
  • the Mean absolute error divided by the Mean Absolute Deviation. Mean squared error Mean absolute error Mean absolute percentage error Root-mean-square deviation...
    8 KB (1,221 words) - 17:35, 1 April 2025
  • calculating the optimal rotation matrix that minimizes the RMSD (root mean squared deviation) between two paired sets of points. It is useful for point-set...
    9 KB (1,138 words) - 17:15, 11 November 2024
  • Thumbnail for Standard deviation
    distribution is the square root of its variance. (For a finite population, variance is the average of the squared deviations from the mean.) A useful property...
    59 KB (8,235 words) - 23:08, 17 June 2025
  • mean-square error Squared deviations Peak signal-to-noise ratio Root mean square deviation Errors and residuals in statistics Khan, Aman U.; Hildreth, W...
    2 KB (241 words) - 16:13, 30 October 2023
  • _{n=0}^{N-1}\left|x[m,n]\right|^{2}}}} Root-mean-square deviation is derived from MSE by taking the square root of the MSE. It downscale the MSE, providing...
    6 KB (1,288 words) - 10:53, 9 December 2024
  • the reduced chi-square statistic is used extensively in goodness of fit testing. It is also known as mean squared weighted deviation (MSWD) in isotopic...
    12 KB (1,867 words) - 19:00, 25 November 2024
  • need for squaring) and easier to understand. For the normal distribution, the ratio of mean absolute deviation from the mean to standard deviation is 2 /...
    13 KB (1,674 words) - 05:19, 18 June 2025
  • Thumbnail for Coefficient of determination
    coefficient Proportional reduction in loss Regression model validation Root mean square deviation Stepwise regression Steel, R. G. D.; Torrie, J. H. (1960). Principles...
    45 KB (6,216 words) - 05:14, 27 February 2025
  • related to the mean squared error, the equivalent for mean absolute error is least absolute deviations. MAE is not identical to root-mean square error (RMSE)...
    8 KB (1,074 words) - 18:40, 16 February 2025
  • positive values then the estimate of the variance (and its square root, the standard deviation) will be biased low. That is, the actual variability of the...
    19 KB (3,005 words) - 21:26, 15 April 2025
  • mean square. The square root of a mean square is known as the root mean square (RMS or rms), and can be used as an estimate of the standard deviation...
    2 KB (257 words) - 15:09, 18 September 2024
  • Thumbnail for Variance
    expected value of the squared deviation from the mean of a random variable. The standard deviation (SD) is obtained as the square root of the variance. Variance...
    61 KB (10,215 words) - 16:29, 24 May 2025
  • It is intended as a more accurate measurement than the common root-mean-square deviation (RMSD) metric - which is sensitive to outlier regions created...
    10 KB (1,218 words) - 16:26, 15 October 2024
  • regression Robust statistics Root mean square Root-mean-square deviation Root mean square deviation (bioinformatics) Root mean square fluctuation Ross's conjecture...
    87 KB (8,280 words) - 23:04, 12 March 2025
  • Thumbnail for Maxwell–Boltzmann distribution
    The mean square speed ⟨ v 2 ⟩ {\displaystyle \langle v^{2}\rangle } is the second-order raw moment of the speed distribution. The "root mean square speed"...
    38 KB (6,007 words) - 16:34, 27 May 2025
  • Another method of specifying spectral width is a special case of root-mean-square deviation where the independent variable is wavelength, λ, and f (λ) is...
    1 KB (191 words) - 00:27, 16 September 2024
  • theory, the root-mean-square deviation of an estimator is a measure of the imperfection of the fit of the estimator to the data. Root-mean-square speed In...
    251 KB (31,183 words) - 19:07, 15 June 2025
  • Thumbnail for Square root
    mathematics, a square root of a number x is a number y such that y 2 = x {\displaystyle y^{2}=x} ; in other words, a number y whose square (the result of...
    48 KB (6,213 words) - 21:46, 11 June 2025
  • standard deviations of the mean, and the root mean square deviation about the mode is between the standard deviation and twice the standard deviation. An example...
    16 KB (2,010 words) - 09:29, 21 May 2025
  • Thumbnail for Standard error
    error of the mean equals the standard deviation divided by the square root of the sample size. In other words, the standard error of the mean is a measure...
    20 KB (2,781 words) - 03:46, 4 May 2025
  • the mean is μ and ω is the root mean square deviation from the mode. It can be shown for a unimodal distribution that the median ν and the mean μ lie...
    16 KB (2,043 words) - 00:09, 28 December 2024
  • structural alignment. An often used structural similarity measure is root-mean-square deviation (RMSD). Because RMSD = ∑ i = 1 L d i 2 / L {\displaystyle ={\sqrt...
    6 KB (864 words) - 13:12, 28 December 2024
  • {\displaystyle S\approx {e^{-\sigma ^{2}}}} where sigma (σ) is the root mean square deviation over the aperture of the wavefront phase: σ 2 = ⟨ ( ϕ − ϕ ¯ )...
    9 KB (1,201 words) - 13:56, 25 May 2025