Bookmark Entropy Search Technology (BEST) uses a set of server-side PHP scripts in conjunction with a modified Firefox plug-in to permit users to share their bookmarks in a variety of formats (text, HTML, XML, and RSS) filtered by user specified criteria.
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for entropyH = entropy(S)this command will evaluate the entropy of S, S should be row matrixH = entropy([X;Y;Z])this command will find the joint entropy for the 3 variablesH = entropy([X,Y],[Z,W])this will find H(X,Y/Z,W).. you can use it for any combination of joint entropiesPlease validate this...
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Nowadays there are heaps of articles on the theory of fuzzy entropy and fuzzy mutual information. However, there is a clear significant lack for a Matlab implementation of these concepts. Based on numerous requests from students and researchers, I have prepared this code to simplify such concepts...
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to compute the entropy of an imagethe entropy of an image shows its the quality objectively.
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The STP Entropy Einstein Solid program calculates the entropy of two Einstein solids that can exchange energy. The purpose of this calculation is to illustrate that the entropy is a maximum at thermal equilibrium. The default system is two Einstein solids with 50 particles each and total energy E...
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Steam properties calculator Excel add-in based on IAPWS-97 standard which calculates 23 different properties such as: Temperature, Pressure, Enthalpy, Entropy, Quality, Density, Internal Energy, Isobaric Heat Capacity, Isochoric Heat Capacity, Specific volume, Speed of Sound, Thermal...
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video-entropyd is a program to add entropy data from video4linux devices to the kernel random driver. For security reasons (when doing network traffic or generating secure keys for example) one wants as much entropy-data in the kernel random-driver as possible. The random-driver takes partially...
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MaxEntropy is a Perl5 module for Maximum Entropy Modeling and Feature Induction. SYNOPSIS use Statistics::MaxEntropy; # debugging messages; default 0 $Statistics::MaxEntropy::debug = 0; # maximum number of iterations for IIS; default 100 $Statistics::MaxEntropy::NEWTON_max_it = 100; #...
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HAVEGE (HArdware Volatile Entropy Gathering and Expansion) is a user-level software unpredictable random number generator for general-purpose computers that exploits these modifications of the internal volatile hardware states as a source of uncertainty. During an initialization phase, the...
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Freenet, Entropy, and Samizdat Controller is a small application which allows you to control Freenet, Entropy, and Samizdat. This project is looking for a new maintainer.
Platforms: Mac, BSD, Linux
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NSB entropy and mutual information estimator; applications to the analysis of neural code.
Platforms: Mac, BSD, Linux
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Normalized mutual entropy provides a measure of the diversity of a two dimensional matrix. It takes mutual entropy and normalizes for the marginal entropy of the variable of interest (column variable in the code). See screen shot or embedded references for formula.This code is used for the...
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This is the iterative 2D Minimum Entropy Deconvolution implemented according to an iterative method in the original paper:R.A. Wiggins, Minimum Entropy Deconvolution, Geoexploration, vol. 16, Elsevier Scientific Publishing, Amsterdam, 1978. pp. 21d-deOCt35.This also works applying the 1D MED when...
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Fit a multivariate gaussian mixture by a cross-entropy method. Cross-Entropy is a powerfull tool to achieve stochastic multi-extremum optimization.Please visit http://iew3.technion.ac.il/CE/ for more informationsi) Please compile mex-files by the mexme_ce_gauss.m (if compiler is not setup, run...
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Approximate Entropy (ApEn) is a popular tool in analysing the complexity of time series data especially in clinical research.This function is a very simple and efficient implementation of ApEn, based on vectorization concept that improves speed tremendously over for-loop implementation.It also...
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This code removes a feature from data file which it considers bearing least amount of relevant information.It's usage intended to classification problems. It is based on fuzzy measures and similarity. Much wider description, explanation and some results can be found in article:P. Luukka, (2011)...
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Entropy_triangle is a function that implements two tools to analyze the behavior of multiple-class, or multi-class, classifiers by means of entropic measures on their confusion matrix or contingency table. First we obtain a balance equation on the entropies that captures interesting properties of...
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This short code calculates the sample entropy (SampEn) of a given time series data. SampEn is a measure of complexity that can be easily applied to any type of time series data, including physiological data such as heart rate variability and EEG data.SampEn is conceptually similar to approximate...
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Calculates entropy for data (probability of events) in an array. In information theory, entropy is a measure of the uncertainty associatedwith a random variable. In this context, the term usually refers to theShannon entropy, which quantifies the expected value of the information% contained in a...
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This program calculates enthalpy and entropy of water for given values of Pressure (in kPa) and Temperature (in degrees Celsius). It also determines whether the state is saturated, compressed liquid or superheated water.
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