sciences and psychometrics), common-method variance (CMV) is the spurious "variance that is attributable to the measurement method rather than to the constructs...
6 KB (614 words) - 00:38, 3 October 2024
Common source bias can be categorised into two types: common method bias, also known as common method variance, and common source bias. Common method...
8 KB (875 words) - 02:54, 24 June 2025
Variance-based sensitivity analysis (often referred to as the Sobol’ method or Sobol’ indices, after Ilya M. Sobol’) is a form of global sensitivity analysis...
12 KB (2,033 words) - 18:55, 7 June 2025
used. Variance is the category of possible relationships between more complex types and their components' subtypes. A language's chosen variance determines...
53 KB (6,679 words) - 02:52, 28 May 2025
random variable of interest, variance reduction techniques can be used. The main variance reduction methods are common random numbers antithetic variates...
6 KB (919 words) - 09:34, 16 July 2025
Analysis of variance (ANOVA) is a family of statistical methods used to compare the means of two or more groups by analyzing variance. Specifically, ANOVA...
57 KB (7,645 words) - 06:06, 28 July 2025
In probability theory and statistics, variance is the expected value of the squared deviation from the mean of a random variable. The standard deviation...
61 KB (10,215 words) - 16:29, 24 May 2025
elbow method. Most commonly, variation is quantified by variance, and the ratio used is the ratio of between-group variance to the total variance. Alternatively...
6 KB (765 words) - 17:59, 25 May 2025
Homoscedasticity and heteroscedasticity (redirect from Homogeneity of variance)
all its random variables have the same finite variance; this is also known as homogeneity of variance. The complementary notion is called heteroscedasticity...
27 KB (3,197 words) - 00:51, 2 May 2025
F-test (redirect from Variance ratio statistic)
squares method, the resulting F-tests are often called "exact" F-tests. The F-statistic was developed by Ronald Fisher in the 1920s as the variance ratio...
17 KB (2,189 words) - 12:02, 28 May 2025
In statistics, the variance inflation factor (VIF) is the ratio (quotient) of the variance of a parameter estimate when fitting a full model that includes...
12 KB (1,770 words) - 00:42, 2 May 2025
Algorithms for calculating variance play a major role in computational statistics. A key difficulty in the design of good algorithms for this problem is...
31 KB (5,774 words) - 18:55, 27 July 2025
Combinatorial design Combinatorial meta-analysis Common-method variance Common mode failure Common cause and special cause (statistics) Comonotonicity...
87 KB (8,280 words) - 18:37, 30 July 2025
Outline of machine learning (redirect from Machine learning method)
Cognitive computer Cognitive robotics Collostructional analysis Common-method variance Complete-linkage clustering Computer-automated design Concept class...
39 KB (3,385 words) - 07:36, 7 July 2025
provided a method to convert between any M-sample variance to any N-sample variance via the common 2-sample variance, thus making all M-sample variances comparable...
64 KB (9,353 words) - 17:00, 29 July 2025
Bartlett's method (also known as the method of averaged periodograms), is used for estimating power spectra. It provides a way to reduce the variance of the...
3 KB (357 words) - 18:23, 4 May 2023
pooled variance (also known as combined variance, composite variance, or overall variance, and written σ 2 {\displaystyle \sigma ^{2}} ) is a method for...
14 KB (3,150 words) - 00:47, 3 February 2025
Normal distribution (section Zero-variance limit)
testing whether two normal samples with different variances have same means; Bhattacharyya distance – method used to separate mixtures of normal distributions...
149 KB (21,749 words) - 21:46, 22 July 2025
Standard deviation (redirect from Standard variance)
underflow. The method below calculates the running sums method with reduced rounding errors. This is a "one pass" algorithm for calculating variance of n samples...
59 KB (8,278 words) - 02:30, 10 July 2025
A variance swap is an over-the-counter financial derivative that allows one to speculate on or hedge risks associated with the magnitude of movement, i...
13 KB (2,172 words) - 00:42, 25 May 2025
Modern portfolio theory (redirect from Minimum variance set)
Markowitz model. In 1940, Bruno de Finetti published the mean-variance analysis method, in the context of proportional reinsurance, under a stronger assumption...
53 KB (7,879 words) - 08:09, 26 June 2025
Least squares (redirect from Method of least squares)
The method of least squares is a mathematical optimization technique that aims to determine the best fit function by minimizing the sum of the squares...
36 KB (5,243 words) - 23:15, 19 June 2025
Data analysis (category Scientific method)
possibly corrected if coding schemes are not comparable. Test for common-method variance. The choice of analyses to assess the data quality during the initial...
66 KB (7,188 words) - 01:08, 26 July 2025
2 {\displaystyle s^{2}} be the estimated variance, sometimes called the “sample” variance; it is the variance of the results obtained from a relatively...
92 KB (10,691 words) - 07:32, 30 July 2025
Regression analysis (section Other methods)
assumption that the population error term has a constant variance, the estimate of that variance is given by: σ ^ ε 2 = S S R n − 2 {\displaystyle {\hat...
37 KB (5,235 words) - 03:23, 20 June 2025
Importance sampling (category Variance reduction)
autoencoders. Importance sampling is a variance reduction technique that can be used in the Monte Carlo method. The idea behind importance sampling is...
26 KB (3,973 words) - 20:18, 9 May 2025
Covariance matrix (redirect from Variance-covariance matrix)
matrix (also known as auto-covariance matrix, dispersion matrix, variance matrix, or variance–covariance matrix) is a square matrix giving the covariance between...
37 KB (5,804 words) - 03:53, 25 July 2025
Meta-analysis (section Methods and assumptions)
a method of synthesis of quantitative data from multiple independent studies addressing a common research question. An important part of this method involves...
102 KB (11,910 words) - 14:03, 4 July 2025
The term cosmic variance is the statistical uncertainty inherent in observations of the universe at extreme distances. It has three different but closely...
8 KB (1,045 words) - 00:24, 9 May 2025
Bessel's correction (category Estimation methods)
formula for the sample variance and sample standard deviation, where n is the number of observations in a sample. This method corrects the bias in the...
18 KB (3,289 words) - 14:22, 1 July 2025