Modified & Generalized Dunn's index by Nejc Ilc

An implementation of Modified and Generalized Dunn's index for internal cluster validation. (clustering, validation, dunns index)

DI=indexDN(data,labels,distance)

[G,d,uniqueInd]=graph_create(data,labels,graph_type,options...

[fig]=scatterPlot(data,labels,options)

clusterData by Brett Shoelson

Clusters an MxN array of data into an unspecified number (P) of bins. (data analysis, group data, cluster)

clusterData(data, sensitivity)

Spectr-O-Matic by Petar Lambrev

Toolbox for analysis of spectroscopic data. Version 1.06 (spectroscopy, data analysis, spectrometry)

[maxtab, mintab]=peakdet(v, delta, x)

gaussians(par, X)

getdir(filter)

SimpleScores by Giuseppe Elia

Plots the PCA scores using the princomp(X) function. Loads files direct from .csv. (data analysis, pca, scores)

SimpleScores(varargin)

3D histogram of RGB image by Pavel Rajmic

Creates 3D-histogram from an RGB image in the form of balls within the RGB cube (rgb, image, histogram)

image_hist_RGB_3d(imname,n,gamma)

rgb_noise_image(rows,cols,filename)

demo_image_hist_RGB_3d.m

Import of log files created by Presentation by Tobias Otto

This function imports log files created by Presentation into MATLAB for analysis. (neuroscience, presentation, log file)

importPresentationLog(fileName, extraNames)

Circular Statistics Toolbox (Directional Statistics) by Philipp Berens

Compute descriptive and inferential statistics for circular or directional data. (directional statistic..., ang, circle)

circ_ang2rad(alpha)

circ_axial(alpha, p)

circ_axialmean(alphas, m, dim)

shape analysis of oscillations by Matthias Funk

Analysis the of shape of sinusoidal osczillations by interpreting the peaks in the Fourier spectrum. (fourier analysis, signal processing, data analysis)

fft_fit_GUI.m

main_window.m

mygauss(x,xdata)

Causal State Modeller Toolbox by David Kelly

Allows users to infer minimal and optimal statistical predictors from time series data. (markov model, model inference, data analysis)

AICefmakerS(a)

AreaCalculator(Mean, Var, a, b)

CSM(varargin)

hessianAnalysisDemo by Steinar Elgsæter

Demo of how Hessian analysis can reveal a poorly scaled estimation problem (hessian, numerical analysis, modeling)

hessianAnalysisDemo.m

K-means++: kmeans algorithm with smart seeding by Mo Chen

This is an implementation of the paper k-means++: the advantages of careful seeding. (clustering, kmeans, data analysis)

kmeanspp(X, k)

spread(X, label)

Shock Wave Speed Estimator for Freeway Traffic Data by Thomas Schreiter

Automatic estimation of shock wave speeds occurring in freeway traffic. (data analysis, image processing, signal processing)

getCharacteristicSpeeds(U_raw, Q_raw, X_raw, T_raw, options...

Shock Wave Speed Estimator for Freeway Traffic Data by Thomas Schreiter

Automatic estimation of the shock wave speeds occurring in freeway traffic. (signal processing, image processing, freeway traffic)

getCharacteristicSpeeds(U_raw, Q_raw, X_raw, T_raw, options...

Data Driven Fitting com MATLAB by Elia Matsumoto

Slides from the recorded webinar in Portuguese: "Data Driven Fitting com MATLAB" (webinar, portuguese, matlab)

Signal Amplitude Reduction fx by Darin McCoy

Reduce the magnitude of a signal (data analysis, signal processing, matlab)

ampreduce(varargin)

MATLAB para Cientistas: Introdução à Análise Estatística by Elia Matsumoto

Slides from the recorded webinar "MATLAB para Cientistas: Introdução à Análise Estatística". (portuguese, data analysis, matlab)

barcode reader by Indraneel Biswas

barcode reader which does not use thresholding (barcode, image processing, signal processing)

[X,P]=subPx(g,x,gMax,N)

[gw,xw]=movAvg(g,wt)

[pk,loc]=peakDetect(g,minHt,minDist)

Introdução à Análise de Dados com MATLAB aplicada a Life Science by Elia Matsumoto

Slides and demo files from the recorded webinar. (webinar, portuguese, matlab)

TissueMetsFcn(imgDir,imgName)

TissueMets_publish.m

TissueMets_script.m

Demo files for "MATLAB for Excel Users" webinar by Jiro Doke

This is the demo used in March 22, 2011 webinar "MATLAB for Excel Users". (excel, curve fitting, webinar)

Energy Forecast Demo

ForecastGUI(varargin)

createSurfaceFit(thisHour, thisTemp, thisPower)

createTrend by Peter Nagy

Plots the trend in a 2-parameter data set. (statistics, data analysis)

createTrend(data)

Starplot by Sven Mesecke

Plots high dimensional data onto an arbitrary number of linear or logarithmic axes. (statistics, graphics, plotting)

staraxes(naxis, tickmarks, ticklabels, scaling)

starcoords(YDATA)

stardemo(scaling)

Introduction to MATLAB® Webinar materials by Jiro Doke

Presentation and demo materials from the live Webinar "Introduction to MATLAB®" (March 20, 2007) (algorithm development, data analysis, matlab)

Characterization of Device Under Test

Missing Planes

cutoff(F,Txym)

FFT filter - clean your signals and display results! by Shmuel Ben-Ezra

Perform Fourier transform, filter in frequency domain, reconstruct the signal. (filter, dft, data analysis)

fftf(t, x, varargin)

MATLAB in Physics - Data Analysis by Matt McDonnell

The second lecture in a series on using MATLAB in undergraduate physics courses. (demo, lecture, physics)

[binEdges,N]=decayHistogram(decayTimes,varargin)

generateDecayData(sampleTime,sampleCount,halfLife,relativeA...

pendulumDE(tVals,omega0,startAngle)

Quantile normalization of 2 dimensional arrays by Dr. Jens Koopmann

Returns a normalized dataset (data normalization, data normalisation, biology)

[quant]=quantile_norm(data,wiederholung)