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updated 23 days ago

Fuzzy clustering based time-series segmentation by Janos Abonyi

A useful tool for the analysis of historical process data (contiguous clusters, fuzzy, compatibility criteri...)

[comp,Spca]=compat(results,q,inic)

[results]=ppcamod(t,x,inic,q,niterations,timew,m);

[t,x,latgen]=datagen(N,nl,nx)

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updated 1 month ago

PDF Package by Brian Moore

A MATLAB package for generating and manipulating empirical PDFs and CDFs (probability, probability distribut..., data visualization)

CDFeval(F,x)

CDFgen(varargin)

CDFinv(F,Fx)

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updated 4 months ago

Cross Section Isosurface by Evan

easily plot and color 3D data (3d, data exploration, figure)

CrossSectionIsosurface(density3D, varargin)

testCrossSectionIsosurface

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updated 5 months ago

Spectr-O-Matic by Petar Lambrev

Toolbox for analysis of spectroscopic data. Version 1.1.3 (spectroscopy, data analysis, spectrometry)

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

gaussians(par, X)

getdir(filter)

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updated 11 months ago

Persistence1D by Yeara Kozlov

Persistence1D is a class for finding local extrema and their persistence in one-dimensional data. (data analysis, signal processing, physics)

filter_features_by_persistence(min, max, persistence, thr...

plot_data_with_features (data, indices)

visualize_features( datafilename, resfilename )

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updated 1 year ago

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,optio...

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

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updated 1 year ago

clusterData by Brett Shoelson

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

clusterData(data, sensitivity)

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updated 1 year ago

SimpleScores by Giuseppe Elia

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

SimpleScores(varargin)

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updated almost 2 years ago

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

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updated 2 years ago

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)

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updated 2 years ago

Circular Statistics Toolbox (Directional Statistics) by Philipp Berens

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

circ_ang2rad(alpha)

circ_axial(alpha, p)

circ_axialmean(alphas, m, dim)

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updated 2 years ago

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)

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updated 2 years ago

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)

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updated 2 years ago

hessianAnalysisDemo by Steinar Elgsæter

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

hessianAnalysisDemo.m

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updated 2 years ago

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)

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updated 2 years ago

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, optio...

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updated 2 years ago

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, optio...

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updated almost 3 years ago

Data Driven Fitting com MATLAB by Elia Matsumoto

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

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updated almost 3 years ago

Signal Amplitude Reduction fx by Darin McCoy

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

ampreduce(varargin)

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updated 3 years ago

MATLAB para Cientistas: Introdução à Análise Estatística by Elia Matsumoto

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

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updated 3 years ago

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)

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updated 3 years ago

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.m

TissueMets_publish.m

TissueMets_script.m

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updated 3 years ago

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, webinar, mathworks)

Energy Forecast Demo

ForecastGUI(varargin)

createSurfaceFit(thisHour, thisTemp, thisPower)

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updated almost 4 years ago

createTrend by Peter Nagy

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

createTrend(data)

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updated 4 years ago

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)

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updated 4 years ago

Introduction to MATLAB® Webinar materials by Jiro Doke

Presentation and demo materials from the live Webinar "Introduction to MATLAB®" (March 20, 2007) (whitepaper, article, paper)

Characterization of Device Under Test

Missing Planes

cutoff(F,Txym)

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updated almost 5 years ago

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

Perform Fourier transform, filter in frequency domain, reconstruct the signal. (fft, ifft, dft)

fftf(t, x, varargin)

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updated 5 years ago

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,relativ...

pendulumDE(tVals,omega0,startAngle)

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updated 5 years ago

Quantile normalization of 2 dimensional arrays by Dr. Jens Koopmann

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

[quant]=quantile_norm(data,wiederholung)

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