Sampling Probability Density
09 Mar 2008 (Updated 08 Apr 2010)An estimate of probability density function of the given random data with bounded support.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 61.44 KB | Download (47): Probability Density Function (PDF) Estimator Download |
This program implements the tSL between two probability density functions following the references: Baba C. Vemuri, Meizhu Liu, Shun-Ichi Amari and Frank Nielsen, Total Bregman Divergence and its Applications to DTI Analysis, IEEE Transactions on Medical Imaging (TMI'10), 2010. Meizhu Liu, Baba...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (44): tSL between probability density functions Download |
tKL between two multivariate normal probability density functions. This program implements the tKL between two multivariate normal probability density functions following the references: Baba C. Vemuri, Meizhu Liu, Shun-Ichi Amari and Frank Nielsen, Total Bregman Divergence and its Applications...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (42): Total Kullback-Leibler (tKL) divergence between multivariate normal probability density functions Download |
The Metropolis-Hastings Sampler is the most common Markov-Chain-Monte-Carlo (MCMC) algorithm used to sample from arbitrary probability density functions (PDF). Suppose you want to simulate samples from a random variable which can be described by an arbitrary PDF, i.e., any function which...
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (56): Metropolis-Hastings Sampler Download |
Use Visual Probability to compute and graph probability density function values, cumulative distribution function values, quantile values, means and variances of ten more distributions. Use Visual Probability to compute and graph probability density function values, cumulative distribution...
Platforms: Windows, Windows 7, Windows Server
License: Shareware | Cost: $35.00 USD | Size: 1.77 MB | Download (74): Visual Probability Download |
The QM Probability program displays the time evolution of the position-space wave function and the associated probability density. The default wave function is the n = 5 state in a ramped infinite square well. Additional states and other potential energy functions can be specified using the...
Platforms: Mac
License: Freeware | Size: 51.2 KB | Download (40): QM Probability Download |
The 3-D Hydrogen Atom Probability Densitites model simulates the probability density of the first few (n = 1, 2, and 3, and associated l and m values) energy eigenstates for the Hydrogen atom (the Coulomb potential). The main window shows the energy level diagram for the solutions to the Coulomb...
Platforms: Mac
License: Freeware | Size: 1.09 MB | Download (40): 3-D Hydrogen Atom Probability Densitites Download |
This m-function returns the negative hypergeometric probability density function with parameters M, N and A at the values in X. Note: The density function is zero unless M, N and A are integers.If a lot consists of M acceptable items and N defective ones. Suppose that items are drawn at random...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (48): nhygepdf Download |
The Expectation-Maximization algorithm (EM) is widely used to find the parameters of a mixture of Gaussian probability density functions (pdfs) or briefly Gaussian components that fits the sample measurement vectors in maximum likelihood sense [1]. In our work, the expectation-maximization (EM)...
Platforms: Matlab
License: Freeware | Size: 573.44 KB | Download (45): Gaussian Mixture Modeling GUI (GMM DEMO) Download |
GLDM calculates the Gray level Difference Method Probability Density Functions for the given image. This technique is usually used for extracting statistical texture features of a digital mammogram.For details on the Gray level Difference Method, refer the following paperJ. K. Kim and H. W. Park,...
Platforms: Matlab
License: Freeware | Size: 71.68 KB | Download (46): Texture Feature Extraction - GLDM Download |
There are two issues with the Pearson type IV distribution: (I) the complex gamma function entering the normalization constant in the probability density function (pdf) and (II) the complex Gauss hypergeometric function entering the cumulative distribution function (cdf). For the complex gamma...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): In sample Value at Risk and backtesting with the Pearson type IV distribution Download |
RANDPDF returns the matrix of random numbers from probability density distribution defined in p and px. p are the density (the y axis) and px are the value (the x axis) of the pdf. p and px must be of the same length. dim define the output matrix dimensions, for example dim=[100 3] define the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): Random numbers from a user defined distribution Download |
This m-function returns the beta-geometric probability density function with parameters A and B at the values in X. Note: The density function is zero unless A and B are integers.The Beta-geometric distribution is used to model the number of failures that will occur in a binomial proccess before...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): bgeopdf Download |
This m-file returns the beta-binomial probability density function with parameters N, A and B at the values in X. Note: The density function is zero unless N, A and B are integers.The Beta-binomial distribution is used to model the number of successes in n binomial trials when the probability of...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (47): bbinopdf Download |
Functions for Rice/Rician PDF: summary statistics (mean and variance), generating random samples, and simple moment-matching to fit the distribution to data.Similar to e.g. normpdf, normstat, normrnd and normfit from the MATLAB statistics toolbox, but for the Rice distribution, which is useful in...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 184.32 KB | Download (45): Rice/Rician distribution Download |
RanLip uses acceptance/rejection approach to generate random vectors, which is based on approximation of the probability density function from above with a "hat" function. It is assumed that the distribution hasLipschitz-continuous density, which is either given analytically or has a black box....
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 450.56 KB | Download (46): RanLip Matlab toolbox Download |
PDFPLOT displays a histogram of the empirical probability density function (PDF) for the data in the input array X using nbins number of bins.If input X is a matrix, then pdfplot(X) parses it to the vector and displays PDF of all values.For complex input X, pdfplot(X) displays PDF of...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (45): PDFPLOT Download |
This m-file returns the multinomial probability density function value with parameters N and P at the values in X. Note that the density function is zero unless X is an integer.Let {X1, X2, . . . , Xk}, k > 1, be a set of random variables, each of which can take the values 0, 1, . . . , n....
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (45): multpdf Download |
probability density function of basic distributionsThis package contains the functions for computing pdf of following distribution:1) Gaussian2) Multinomial3) Dirichlet4) Wishart5) student-t6) von Mises-Fisher7) Kernel density estimatorThese functions are intended to be illustration of the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): PDF of basic distributions Download |
This m-file returns the multivariate hypergeometric probability density function at M with integer parameters in N. Note: The density function is zero unless the elements in M are integers.If there are m_i elements of class i in a population and you take n elements at random without replacement,...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): mhygepdf Download |