Gini coefficient and the Lorentz curve
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 ...

April 18th 2013

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10k

Gini coefficient - population weighted
Computes the gini coefficient when given a set of values and population weights.Short on documentation and checks.

March 11th 2013

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10k

Inequality Package
Package on Inequality Metrics such as the Gini Coefficient associated to the Lorenz Curve, the Theil and the Atkinson Indexes.

April 27th 2013

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10k

StatArray
StatArray is a simple way of calculating statistics about an array of data.Given an ordinary array, StatArray can determine the median, mean, standard deviation, confidence intervals, Pearson skewness, Gini coefficient, Theil/Atkinson index, CDF, etc.

January 5th 2012

Free

Binomial coefficient recursion
Binomial coefficient recursion code helps you to calculate the binomial coefficients recursively.

Similarity Algorithm based on WikipediA
SAWA calculates a semantic similarity coefficient between two sentences. Coefficient is expressed between "0" and "1", where: 0 means there is not semantic similarity among them; 1 vice versa.

May 3rd 2013

Free

1,146k

multcoef
This m-file returns the multinomial coefficient with parameter N at the values in X. Let {X1, X2, . . . , Xk}, k > 1, be a set of random variables, each of which can take the values 0, 1, ...

April 9th 2013

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10k

R-square: The coefficient of determination
r2 = rsquare(y,f) RSQUARE computes the coefficient of determination (R-square) value from actual data Y and model data F. INPUTS Y : Actual data F : Model fit OUTPUT R2 : Coefficient of determination EXAMPLE x = 0:0.1:10; y = ...

Clebsch Gordan Coefficient Solver GUI
Easy to use Clebsch-Gordan coefficient solver for adding two angular momentums in Quantum Mechanics. This tool is created for my Quantum Mechanics II course offered by Dr. Thompson in Summer of 2007.[Instruction]Execute "GUI.m" script by invoking "GUI"

June 7th 2013

Free

20k

ClebschGordan.m
ClebschGordan(j1,j2,j,m1,m2,m) is the Clebsch-Gordan coefficient . This is used in the theory of angular momentum in quantum mechanics.

June 3rd 2013

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10k

Multi-band Spectral Subtraction
Multiband spectral subtraction as proposed by Kamath 2002. Uses adjusts the subtraction coefficient with the frequency as well as the SNR. note that the first 0.25sec of your signal is used to model the noise.

May 27th 2013

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10k

k indexes from 1:n
http://simulations.narod.ru/Using:ind=all_combinations(n,k)Number of all posible variants is nv=C(n,k)=n!/(k!*(n-k)!) (binomial coefficient)ind is nv-by-k matrix. Example, 2 indexes from 1 2 3:all_combinations(3,2)ans = 1 2 1 3 2 3Example 3 from 5:all_combinations(5,3)ans = 1 2 3 1 2 4 1 2 5 1 ...

May 10th 2013

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10k

Rayleigh Angular Volume-Scatter Coefficient
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.

December 17th 2012

Free

10k

SYM2POLYS
Sym2Polys (by Paul Godfrey) cannot be run on MATLAB 7(Release 14). This function is an extension of the Matlab SYM2POLY and COEFFS functions in that it allows the coefficients to be symbolic and returns the full coefficient vector including the ...

December 31st 2012

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10k

IPN tools for Test-Retest Reliability Analysis
The basic functions include the MATLAB implementation of ICC (Intraclass Correlation Coefficient), CCC (Corcordance Correlation Coefficient) and Kendall's W or KCC (Kendall's Coefficient of Concordance).List of basic functions:[1]. IPN_icc: computes the interclass correlations for indexing the reliability analysis according to ...

March 18th 2013

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10k

Circular Correlation Coefficient
References:Fisher, N.I. and A.J. Lee (1983) A correlation coefficient for circular data. Biometrika Trust. 70(2):327-332 http://biomet.oxfordjournals.org/cgi/conte...stract/70/2/327Fisher, N.I. (1996) Statistical Analysis of Circular Data. Cambridge University Press.ISBN 0521568900, 9780521568906http://books.google.com/books?id=IIpeevaNH88C

February 16th 2013

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10k

corrcoef_directi onal.m
Calculates the correlation coefficient for 2-d directional and circular data, e.g., if you have one set of 2-d movements and want to compare them to a second (paired) set of 2-d movements.The input to the function is two Nx2 matrices ...

May 1st 2013

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bbcorr: Bootstrap statistics for Pearson's correlation coefficient
This function computes double block bootstrap percentile confidence intervals and bootstrap standard errors for the Pearson correlation coefficient r and Fisher's z = atanh(r).References:-Efron, B. and R.J. Tibshirani (1993): An Introduction to the Bootstrap, Chapman & Hall.-BdoDshlmann, P. and M. ...

February 19th 2013

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10k

doseResponse
Plots dose/response data as mean responses to a dose with standard errors. Fits sigmoidal curve to data, calculating EC50 and the Hill Coefficient, then plots the sigmoid along with a label indicating the EC50.

February 1st 2013

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10k

Bibliometrics: the art of citations indices
Actually, every researcher come to terms with his/her bibliometricperformance. There are many software to compute these indices, like Publish or Perish or Google Scholar. Anyway, these softwares require an additional work like to identify the proper papers to exclude papers ...

December 26th 2012

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10k

Goodness of Fit (Modified)
GFIT2 Computes goodness of fit for regression model USAGE: [gf] = gfit2(t,y) [gf] = gfit2(t,y,gFitMeasure) [gf] = gfit2(t,y,gFitMeasure,options) INPUT: t: matrix or vector of target values for regression model y: matrix or vector of output from regression model. gFitMeasure: a ...

April 14th 2013

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10k

Nash-Sutcliffe Model Accuracy Metric
Nash-Sutcliffe model accuracy statistic. Nash-Sutcliffe coefficient is an indicator of the model?s ability to predict about the 1:1 line between observed and simulated data.The Nash-Sutcliffe coefficient is calculated as: sum(Qobs - Qsim)^2NS = 1 - ---------------------------- sum(Qobs - Qmean)^2 With ...

January 2nd 2013

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10k

Heat Convection Toolbox
The Heat Convection Toolbox for Matlab provides computing of basic thermo-physical properties (density, specific heat capacity, viscosity, thermal conductivity, thermal diffusivity etc.), dimensionless criteria (Prandtl, Reynolds, Grashof, Nusselt) and coefficient of convection heat transfer for gas medium.Authors: Jan Terpak and ...

June 2nd 2013

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20k

temperature analysis using finite difference method
Study of heat transfer and temperature of a 1x1 metal plateheat is dissipated through the left right and bottom sides and emp at infinity is t n(n-1) points in consideration,Temperature at top end is 500*sin(((i-1)*pi)/(n-1)A*Temp=U where A is coefficient matrix ...

March 13th 2013

Free

10k

DEVICE CONTROL USING SPEECH
The purpose of the speech is communication. The area of speech processing is just developing, and shows the tremendous potentialities for widespread use in the future.In this project we have processed the speech signal with the help of the DIGITAL ...

January 12th 2013

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10k

bbcorrdiff: Bootstrap statistics for the difference of correlation coefficients
This function computes a double block bootstrap percentile confidence interval and a bootstrap standard error for the difference of two z-transformed Pearson correlation coefficients. The z-statistic is defined as Zd = z1-z2 = atanh(r1)-atanh(r2), where r1 is the Pearson correlation ...

January 20th 2013

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10k

BMS toolbox for Matlab: Bayesian Model Averaging (BMA)
Bayesian Model Averaging for linear models under Zellner's g prior. Options include: fixed (BRIC, UIP, ...) and flexible g priors (Empirical Bayes, hyper-g), 5 kinds of model prior concepts, and model sampling via model enumeration or MCMC samplers (Metropolis-Hastings plain ...

December 12th 2012

Shareware

61k

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