In mathematics, a contraharmonic mean (or antiharmonic mean) is a function complementary to the harmonic mean. The contraharmonic mean is a special case...
12 KB (1,844 words) - 06:06, 1 March 2025
Arithmetic-geometric mean Arithmetic-harmonic mean Cesàro mean Chisini mean Contraharmonic mean Elementary symmetric mean Geometric-harmonic mean Grand mean Heinz mean Heronian...
17 KB (2,242 words) - 20:36, 6 July 2025
and Woods call this a "contraharmonic mean filter" described for varying values of p (however, as above, the contraharmonic mean can refer to the specific...
4 KB (837 words) - 11:51, 2 January 2024
harmonic mean is widely used. Mathematics portal Rate (mathematics) Contraharmonic mean Generalized mean Weighted mean Weighted geometric mean HM-GM-AM-QM...
37 KB (5,913 words) - 03:40, 8 June 2025
numbers is the arithmetic mean – the sum of the numbers divided by how many numbers are in the list. For example, the mean or average of the numbers 2...
30 KB (3,355 words) - 08:51, 12 June 2025
Melbourne chm, ISO 639 code for Mari language CHM, abbreviation for contraharmonic mean Ch.M., postnominal for Magistral Chaplain, used by the Sovereign...
2 KB (295 words) - 12:46, 21 November 2024
In statistics, regression toward the mean (also called regression to the mean, reversion to the mean, and reversion to mediocrity) is the phenomenon where...
41 KB (5,820 words) - 22:39, 28 June 2025
mathematics and statistics, the arithmetic mean ( /ˌærɪθˈmɛtɪk/ arr-ith-MET-ik), arithmetic average, or just the mean or average is the sum of a collection...
15 KB (2,142 words) - 04:49, 28 June 2025
For reducing either salt noise or pepper noise, but not both, a contraharmonic mean filter can be effective. Linear filters are generally ineffective...
2 KB (206 words) - 18:46, 17 May 2025
In mathematics, the geometric mean (also known as the mean proportional) is a mean or average which indicates a central tendency of a finite collection...
30 KB (4,389 words) - 23:51, 26 June 2025
Simple linear regression (redirect from Variance of the mean and predicted responses)
their respective means. The above equations are efficient to use if the mean of the x and y variables ( x ¯ and y ¯ {\displaystyle {\bar {x}}{\text{...
32 KB (5,331 words) - 19:00, 25 April 2025
In mathematics, the arithmetic–geometric mean (AGM or agM) of two positive real numbers x and y is the mutual limit of a sequence of arithmetic means and...
17 KB (3,029 words) - 17:50, 24 March 2025
Standard error (redirect from Standard error of the mean)
of a statistic (usually an estimator of a parameter, like the average or mean) is the standard deviation of its sampling distribution or an estimate of...
20 KB (2,781 words) - 01:28, 24 June 2025
Statistical population (redirect from Population mean)
probability distribution has a defined mean (see the Cauchy distribution for an example). Moreover, the mean can be infinite for some distributions....
7 KB (783 words) - 20:50, 30 May 2025
Effect size (redirect from Standardised mean difference)
correlation between two variables, the regression coefficient in a regression, the mean difference, or the risk of a particular event (such as a heart attack) happening...
56 KB (7,844 words) - 20:51, 23 June 2025
The cubic mean (written as x ¯ c u b i c {\displaystyle {\bar {x}}_{\mathrm {cubic} }} ) is a specific instance of the generalized mean with p = 3 {\displaystyle...
3 KB (380 words) - 19:57, 26 May 2025
Jiang & Feng Qi. Sharp bounds for the Neuman-Sándor mean in terms of the power and contraharmonic means. January 9, 2015. https://www.cogentoa.com/article/10...
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Average absolute deviation (redirect from Mean Absolute Deviation)
dispersion or variability. In the general form, the central point can be a mean, median, mode, or the result of any other measure of central tendency or...
13 KB (1,674 words) - 05:19, 18 June 2025
In mathematics, the Heronian mean H of two non-negative real numbers A and B is given by the formula H = 1 3 ( A + A B + B ) . {\displaystyle H={\frac...
3 KB (303 words) - 00:13, 21 February 2023
In mathematics, the Heinz mean (named after E. Heinz) of two non-negative real numbers A and B, was defined by Bhatia as: H x ( A , B ) = A x B 1 − x...
2 KB (315 words) - 12:20, 13 August 2024
Mean-field particle methods are a broad class of interacting type Monte Carlo algorithms for simulating from a sequence of probability distributions satisfying...
60 KB (8,594 words) - 16:17, 27 May 2025
Errors and residuals (redirect from Residual mean square)
population mean). The residual is the difference between the observed value and the estimated value of the quantity of interest (for example, a sample mean). The...
16 KB (2,164 words) - 16:12, 23 May 2025
values of a variable about its mean. A low standard deviation indicates that the values tend to be close to the mean (also called the expected value)...
59 KB (8,236 words) - 17:27, 7 July 2025
Coefficient of variation (redirect from Standard deviation/mean)
statistics, the coefficient of variation (CV), also known as normalized root-mean-square deviation (NRMSD), percent RMS, and relative standard deviation (RSD)...
30 KB (4,017 words) - 13:36, 17 April 2025
used to estimate an unknown statistical parameter, such as a population mean. Rather than reporting a single point estimate (e.g. "the average screen...
31 KB (4,000 words) - 19:33, 20 June 2025
Moving average (redirect from Moving mean)
a moving average (rolling average or running average or moving mean or rolling mean) is a calculation to analyze data points by creating a series of...
20 KB (3,170 words) - 08:44, 5 June 2025
appropriate conditions, the distribution of a normalized version of the sample mean converges to a standard normal distribution. This holds even if the original...
67 KB (9,202 words) - 03:48, 9 June 2025
Index of dispersion (redirect from Variance-to-mean ratio)
dispersion index, coefficient of dispersion, relative variance, or variance-to-mean ratio (VMR), like the coefficient of variation, is a normalized measure of...
10 KB (1,274 words) - 01:26, 3 October 2024
the sample or population mean, while Standard error refers to an estimate of difference between sample mean and population mean. A statistical error is...
78 KB (8,835 words) - 00:51, 23 June 2025
random variable can be approximated by taking the empirical mean (a.k.a. the 'sample mean') of independent samples of the variable. When the probability...
91 KB (10,690 words) - 23:18, 29 April 2025