Correlation Coefficient Formula
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Platforms: Windows, Mac
License: Freeware | Size: 722 KB | Download (53): Fast Math Formula Editor for MS Word Download |
'Statistics for MySQL' provides additional statistical functions (like Pearson's coefficient of correlation) which are missing in MySQL. DLLs for 32 and 64bit Windows as well as makefiles for Linux are available.
Platforms: Windows, Mac, BSD, Linux
License: Freeware | Size: 466.34 KB | Download (44): Statistics for MySQL Download |
Magic formula is a puzzle game characterized by an intuitive and funny gameplay, which never ceases to surprise the player for the depth and the apparent simplicity of its levels.
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Platforms: Mac
License: Shareware | Cost: $3.99 USD | Size: 22.6 MB | Download (45): Magic Formula Download |
This code calculates the cross-correlation for specified time windows over the duration of two input signals. The time windows can be shifted by increments smaller than the time window length. The code is based upon the 'xcorr' function.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Time Window Based Cross-correlation Download |
The program takes the columns of an input matrix and calculates the auto and cross correlation of these columns using an fft method. The result is very similar to the xcorr function. This method could be used to evaluate the cross correlation of repeating code sequences, and other similar...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Circular Cross Correlation of the Columns of an Array - circ xcorr Download |
Accepts temperature in Kelvin, pressure in millibar and wavelength in microns (accurate for wavelengths 0.20-4.00 microns) and returns the model atmosphere Rayleigh angular volume-scattering coefficient. Includes Chandrasekhar phase function.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (39): Rayleigh Angular Volume-Scatter Coefficient Download |
NGRAV computes the normal gravity value (in m/sec^2 unit) of a point with the geodetic latitude defined in GRS80 ellipsoid,which is the more up-to-date and internationally adopted reference ellipsoid.The normal gravity value is used for the computation of the gravity anomaly which removes the...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Normal gravity value using Somigliana's formula Download |
Computes the distance 2-point correlation function of a finite 2D lattice. The functions is:[ coorfun r] = twopointcorr(x,y,width,height,dr)Where x is the list of x coordinates of lattice points. y is the list of y coordinates of the lattice points, width is the width of the lattice, height is...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (50): Two point correlation function of a finite 2D lattice Download |
This package only contains the digital image correlation .m file, for the full suite you need to download the 'digital image correlation and tracking' (ID: 12413) files.automate_image_parinteractive.m works similar to automate_image.m but must be run in pmode!!!!Therefore you have to start...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (40): Digital Image Correlation 4 threads pmode Download |
The function is "remix" of native matlab cov2corr() function, which produces correlation matrix with elements on its main diagonal slightly greater or less then 1. So it can't be used in various further computations, for example in squareform() function.The problem can be resolved simply by...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (47): Convert covariance matrix to correlation matrix Download |
MVLOGNRAND MultiVariate Lognormal random numbers with correlation.This function will generate multivariate lognormal random numbers with correlation.Often one would simulation a lognormal distribution by first simulating a normal and then taking the exponent of it.If you provide the correlation...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): Multivariate Lognormal Simulation with Correlation Download |
normxcorr2_general computes the normalized cross-correlation of matrices TEMPLATE and A. The resulting matrix C contains correlation coefficients and its values may range from -1.0 to 1.0.Limitations of normxcorr2:The documentation of normxcorr2 states that, "The matrix A must be larger than the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): Generalized Normalized Cross Correlation Download |
It generates a stochastic field on a squared space. Samples are created by Latin hypercube sampling and the spatial correlation is performed by an algorithm based on Cholesky decomposition. Example inside.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): Spatial Correlation Generator with Latin Hipercube Sampling and Cholesky Decomposition Download |
Find Displacement between images by using cross-correlation.Easy:[dr,dc]=findoff(unreg,ref)
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): Find Displacement between images by using cross-correlation Download |
Implementation of Nicholas J. Higham's algorithm "Computing the Nearest Correlation Matrix - A Problem from Finance", 2002.http://eprints.ma.man.ac.uk/232/01/covered...S_ep2006_70.pdf
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (39): Finding a similar valid correlation matrix Download |
BINOMIAL Binomial coefficient.If the arguments are both non-negative integers with 0
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (42): BINOMIAL (Binomial coefficient.) Download |
The Gini coefficient is a measure of the inequality of a distribution (often used for income or wealth distributions). The Lorentz curve is a graphical representation of this inequality which is intimately related to the Gini coefficient. The program is straightforward to use. Please consult the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (52): Gini coefficient and the Lorentz curve Download |
CORRPERC performs a bootstrap (of size equal to n_iters) on correlation matrices of input variable Y and computes the percentiles corrsperc (according to input perc) of each correlation. The function also provides the standard deviation corrstd for each correlation.[corrsperc, corrstd] =...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (40): Correlation Percentiles Download |
AMI computes and plots average mutual information (ami) and correlation of univariate or bivariate time series for different values of time lag.USAGE: [amis corrs] = ami(xy,nBins,nLags)INPUT: xy: either univariate (x) or bivariate ([x y]) time series data. If bivariate time series are given then...
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (43): ami and correlation Download |
This m-file calculates the blocking or loss probability of a network node or link using the Erlang B loss formula. It does not use the formula directly (which doesn't work with high numbers) but an iterative algorithm. Tested with MATLAB R13 and Octave.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (65): ErlangB loss formula Download |