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updated 1 day ago

nearestSPD by John D'Errico

Finding the nearest positive definite matrix (positive definite mat..., covariance matrix, covariance)

nearestSPD_demo

nearestSPD(A)

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updated 1 day ago

Dot Density Plot by Molly Rossow

Draws a dot density plot. (plotting, data exploration, statistics)

dotdensity(varargin)

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updated 3 days ago

Locating Reducible Words - Free Groups by Theophanes Raptis

The main function locates all reducible and cyclically reducible words. (statistics, combinatorics, groups)

NLLSG(s, n, b)

freegroup(k, n)

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updated 4 days ago

Fast AUC calculator and ROC curve plotter by Uri Shalit

Calculates the Area Under the ROC curve, and plots the ROC curve. Completely vectorized, very fast. (optimization, statistics, auc)

fastAUC(labels,scores,plot_flag)

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updated 6 days ago

Binary Fisher LDA by Quan Wang

This package implements binary Fisher linear discriminant analysis in both Matlab and Java (machine learning, statistics, pattern recognition)

[l,precision,recall,accuracy,F1]=fisher_testing(f,w,t,l0,...

[w,t,fp]=fisher_training(f,l)

demo.m

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updated 6 days ago

unique mean and error of a vector with repetitions by Omri Bahat Treidel

input: vec x with repetitions and F(x). return: mean and error of F(unique(x)) (mathematics, signal processing, statistics)

unique_err_BS(x,Fx,bootFactor)

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updated 7 days ago

Graph Agglomerative Clustering (GAC) toolbox by Wei Zhang

Graph Degree Linkage: Agglomerative Clustering on a Directed Graph. ECCV 2012. (clustering, statistics, data exploration)

gacBuildDigraph(distance_matrix, K, a)

gacBuildDigraph_c(distance_matrix, K, a)

gacBuildLlinks_cwarpper(distance_matrix, p, NNIndex)

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updated 8 days ago

1-D random number generation with any analytical expression probability density function by Hu

Generate random numbers according to given analytical expression for the PDF (statistics, physics)

rand_generator(myfun,xmin,xmax,number,mode_switch)

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updated 9 days ago

MATLAB R-link by Robert Henson

Functions for calling the statistical package R from within MATLAB. (statistics, r cran, after several issues ...)

closeR(handle)

evalR(command,noreturn)

getRdata(varname)

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updated 10 days ago

ar_model by Giacomo Alessandroni

AR_MODEL compute AR-models parameters of input signal using Yule-Walker method. (statistics, dsp, ar)

ar_model(x, p)

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updated 10 days ago

Logistic Regression with regularization used to classify hand written digits by Jason Rebello

Classification of handwritten digits (modeling, statistics, optimization)

LRClassifier(X, y, numLabels, lambda)

cost(theta, X, y, lambda)

displayData(X, example_width)

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updated 10 days ago

Linear Regression with Multiple Variables without regularization by Jason Rebello

Demo of Linear regression (housing prices, linear regression, demo)

NormalEquation(XNormEqn,y)

cost(X,y,theta)

featureNormalize(X)

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updated 13 days ago

Monte Carlo Simulation for Portfolio Assets by Wilson Amoretty Palmeiro

Simulate sample path allow us to see the pattern that assets price will face. Crucial to hedge risk. (monte carlo simulatio..., finance, statistics)

PortfolioMontecarlo.m

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updated 14 days ago

Fast Random Forest by Jacob Dang

Creates an ensemble of cart trees. Tree construction coded fully in C. Very fast. (cart trees, classification tree, decision tree)

Stochastic_Bosque(Data,Labels,varargin)

eval_Stochastic_Bosque(Data,Random_Forest,varargin)

eval_cartree(Data,RETree)

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updated 15 days ago

SpinEchoMLE by Lee Potter

Maximum likelihood estimator for spin echo time decay constant. (signal processing, chemistry, physics)

SpinEchoMLE(Y,two_tau,Avg,x,opt)

SpinEchoPeakEst(Y,loc,two_tau,opt)

ExampleSpinEchoMLE.m

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updated 15 days ago

Spearman by Marco Borges

Spearman function calculates the Spearman rank correlation coeff using matlab library functions (spearman, correlation, coefficient)

spearman(x,y)

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updated 22 days ago

PeriodOperator by Emilien

This function applies any operator on a given period (week, month, years). (financial time series, statistics, moving operator)

PeriodOperator(DatesNum, TimeSerie,frequency,fhandle)

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updated 23 days ago

Radiation Treatment Planning Optimization Toy Example by Haitham Hindi

This program is a stand-alone toy example of radiation treatment planning(RTP) optimization (optimization, distributed, biotech)

Main()

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updated 24 days ago

Elementary 1-D Cellular automata by 2 neigbors (r=2). by ehsan tahami

CA2 Displays evolution of a famous 1-D Cellular Automata by 2 neigbors (r=2). (mathematics, statistics, modeling)

pattern_highrule=CA2(wolfrule, initialstate, nrows)

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updated 24 days ago

FOURPLOT by Jos (10584)

Four-plot for efficient visual exploratory data analysis, with box plot (V2.0, july 2013) (statistics, data inspection, normality)

fourplot(X)

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updated 24 days ago

Plot and compare histograms; pretty by default by Jonathan C. Lansey

Compares multiple sets of data elegantly. Set bins and axis bounds to be appropriate for the data. (histogram, bins, bin size)

nhist.m

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updated 24 days ago

Generate Weighted Histogram by Mehmet Suzen

histwc is a simple utility to construct weighted histogram. (statistics, data exploration, modeling)

histwc(vv, ww, nbins)

histwcv(vv, ww, nbins)

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updated 24 days ago

notBoxPlot - alternative to box plots. by Rob Campbell

This function visualizes raw (grouped) data along with the mean, 95% confidence interval, and 1 SD. (box plot, data exploration, error bars)

sem=SEM_calc(vect, CI)

tint=tInterval_Calc(vect, CI)

varargout=notBoxPlot(y,x,jitter,style)

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updated 29 days ago

Mutivariate normality omnibus test by Norlianida Abdullah

Multivariate omnibus test as proposed by Doornik and Hansen (1994). (statistics, multivariate normalit...)

MVomnibus.m

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updated 1 month ago

Sphere Fit (least squared) by Alan Jennings

Fits a sphere to a set of noisy data. Does not require a wide arc or many points. (fitting curves, sphere, least squares)

sphereFit_Example

sphereFit(X)

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updated 1 month ago

Easy Sensitivity (Tornado) Plot Function by Richard McCulloch

This function makes a tornado sensitivity plot and returns the sensitivity values. (aerospace, biotech, data export)

TorPlot(data,names,sensitivity,save,fh)

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updated 1 month ago

quad3 by Marco Borges

Evaluates cubic polynomial numerical integration (numerical integration, mathematics, interpolation)

quad3(X,Y)

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updated 1 month ago

xlsSeerComputeSurvivalFuntionKSTest2ver2 by Rex Cheung

This program is a ver2 of a SCOPE sub-routine extends Matlab 2-sample Kolmogorov-Smirnov test (statistics)

xlsSeerComputeSurvivalFuntionKSTest2ver2(xlsfilename)

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updated 1 month ago

Empirical orthogonal function (PCA) estimation for EEG time series by DaveA Albers

Empirical orthogonal function (PCA) estimation for EEG time series (signal processing, statistics, data exploration)

distinguishable_colors(n_colors,bg,func)

distinguishable_colors(n_colors,bg,func)

eof_unlimited_time(x, N, T, number_of_measurements_per_bl...

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updated 1 month ago

Easy 'n fast smoothing for 1-D to N-D data by Damien Garcia

SMOOTHN allows automatized and robust smoothing in arbitrary dimension w/wo missing values (image processing, signal processing, statistics)

smoothn(varargin)

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updated 1 month ago

PIVMat 3.02 by Frederic Moisy

A PIV Post-processing and data analysis toolbox (davis, data export, data import)

about_pivmat (PIVMat Toolbox)

addnoisef (PIVMat Toolbox)

averf (PIVMat Toolbox)

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updated 1 month ago

Faster ROC-AUC by Enric Junque de Fortuny

Fast calculation of AUC of an ROC for binary classification problems, written in C++. (auc, roc, classification)

install.m

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updated 1 month ago

Yahoo Finance Time Series Analysis Tool by Christian Pass

Performs various time series analysis operations (data export, finance, gui)

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updated 1 month ago

Despiking Acoustic Doppler Velocimeter (ADV) Data by Rashedul Islam

This code removes spikes from the Acoustic Doppler Velocimeter (ADV) measurements. (signal processing, measurement, statistics)

despikeADV(u, hx, hy)

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updated 1 month ago

ROC curve by Giuseppe Cardillo

compute a ROC curve (receiver operating ch..., roc, statistics)

ROCout=roc(varargin)

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updated 1 month ago

Rank aggregation by Nejc Ilc

Summarizes ordered lists. (statistics, data exploration, rank aggregation)

aggregateRanks(R, N, method, complete, topCutoff)

betaScores(r)

correctBetaPvalues(p,k)

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updated 1 month ago

Boosted Binary Regression Trees by Kota Hara

Boosted Binary Regression Trees is a powerful regression method which can handle vector targets. (statistics, data mining, regression)

brtTest( input, brtModel, varargin )

brtTrain( X, T, leafNum, treeNum, nu )

findBestSplit( X, T )

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updated 1 month ago

Unscented Hellinger distance between GMMs by Matej Kristan

The code calculates a metric between a pair of multivariate Gaussian Mixture Models. (signal processing, statistics, gaussian mixture mode...)

col_sum(x)

cols(a)

conf2mahal(c, d)

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updated 1 month ago

NCTCDFVW by Viktor Witkovsky

Alternative algorithm for computing the CDF of the noncentral Student's t-distribution (statistics)

nctcdfVW.m

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updated 1 month ago

Plot a plane from 3 points by Nitish Tripathi

It plots a plane from 3 points. Its returns all the coeff of plane (a, b, c,d) (image processing, statistics, mathematics)

plot_line(p1, p2, p3)

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updated 2 months ago

Infinite Bernoulli mixture by Sam Gershman

Nonparametric Bayesian clustering of binary data. (machine learning, statistics, clustering)

dpmm_bernoulli(X,varargin)

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updated 2 months ago

Intrinsic dimensionality estimation techniques by Gabriele Lombardi

Implementation of some state-of-art intrinsic dimensionality estimators. (statistics, intrinsic dimensional..., estimation)

Intrinsic Dimensionality (id) estimation

DANCo(data,varargin)

DANCoFit(data,varargin)

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updated 2 months ago

Negative Binomial Regression by Surojit Biswas

NB2 Negative-Binomial regression. (statistics, mathematics, optimization)

nbreg( x, y, varargin )

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updated 2 months ago

Moving Average Function by Glen

Calculates a moving average in an n-dimensional matrix in any dimension. (average filter, statistics, moving window)

result=movingmean(data,window,dim,option)

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updated 2 months ago

barycentric Coordinates by anukriti dureha

barycentric_coordinates will give the coordinates alpha, beta ,gama of the matrix face_point. (image processing, statistics, mathematics)

barycentric_coordinates( face_point,dt )

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updated 2 months ago

Comparison of Alamouti & MRC Schemes over Rayleigh Channel by Sourav Mondal

This code gives a relative comparison of performance of Alamouti & MRC schemes over Rayleigh channel (communications, control design, data export)

alamouti_new(M, frmLen, numPackets, EbNo)

mrc_new(M, frmLen, numPackets, EbNo)

alamouti_mrc_RUN_new.m

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updated 3 months ago

F-Test by James Conder

Test whether addition of model parameters is warranted by improvement of data misfits. (statistics, ftest)

ftest(n,np1,np2,chi1,chi2)

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updated 3 months ago

Discretization methods: Class-Attribute Contingency Coefficient (CACC - MATLAB) by Julio Zaragoza

Correct Implementation of the CACC Discretization Method. http://cs.adelaide.edu.au/~jzaragoza (statistics, mathematics)

cacc(data)

main.m

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updated 3 months ago

errorbarjitter by David Stern

Plot mean ± SD alongside jittered raw data (plotting, jitter, statistics)

errorbarjitter.m

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updated 3 months ago

Particle Swarm Optimization by Yan Ou

[x,fval] = pso(fun,np,A,b); % fun: function handle % np: number of particles % A, b: Ax<=b (optimization, nonconvex optimizatio..., mathematics)

pso(fun,np,A,b,inertia,correction_factor,iteration)

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