Tag: matlab

26 How to interpret mean of Silhouette plot? 2011-05-09T06:05:22.237

21 How to test equality of variances with circular data 2012-07-14T20:58:35.097

17 Among Matlab and Python, which language is good for statistical analysis? 2010-09-25T04:09:33.167

17 How can I generate data with a prespecified correlation matrix? 2012-07-12T14:31:01.303

16 How the polar coordinate, $\theta$, is distributed when $(x,y) \sim U(-1,1) \times U(-1,1)$ and if $(x,y) \sim N(0,1)\times N(0,1)$? 2017-01-04T03:07:38.930

15 Best way to perform multiclass SVM 2012-01-21T19:57:53.500

14 Is Matlab/octave or R better suited for monte carlo simulation? 2010-10-12T13:58:35.760

13 k-means implementation with custom distance matrix in input 2011-06-30T01:52:27.973

13 Generating values from a multivariate Gaussian distribution 2011-07-12T22:03:46.910

13 Biased estimator for regression achieving better results than unbiased one in Error In Variables Model 2015-03-31T12:17:26.500

13 Non-uniform distribution of p-values when simulating binomial tests under the null hypothesis 2015-05-20T20:15:41.150

12 Reversible jump MCMC code (Matlab or R) 2010-11-08T18:58:46.730

12 Estimating Markov transition probabilities from sequence data 2012-09-11T15:29:12.027

11 What programming language do you recommend to prototype a machine learning problem? 2011-12-16T02:02:42.367

11 Automatically determine probability distribution given a data set 2012-06-14T09:32:16.087

11 Generate random numbers following a distribution within an interval 2014-08-26T01:22:44.867

10 Randomized trace technique 2011-06-16T10:53:54.953

10 How to compare two or more correlation matrices? 2011-08-30T18:54:06.787

10 Visualizing high dimensional data 2013-04-19T13:48:31.880

10 Confidence interval for cross-validated classification accuracy 2014-02-27T19:43:04.250

9 Building MATLAB and R interfaces to Ross Quinlan's C5.0 2011-02-02T14:42:08.477

9 Using MCMC to evaluate the expected value of a high-dimensional function 2011-03-17T06:41:46.460

9 Feature selection using mutual information in Matlab 2012-08-25T17:26:56.330

9 Gaussian Processes: How to use GPML for multi-dimensional output 2013-07-24T19:49:16.237

8 What programming language for statistical inference? 2010-11-20T14:57:19.843

8 How can I check whether two signals are jointly normally distributed? 2012-03-12T11:36:16.960

8 Can a -2 Log likelihood be calculated with only one model? 2012-03-15T16:55:21.660

8 Quantifying how much "more correlation" a correlation matrix A contains compared to a correlation matrix B 2014-08-02T20:25:00.267

7 FA: Choosing Rotation matrix, based on "Simple Structure Criteria" 2010-08-18T07:36:59.733

7 How should one define the sample variance for scalar input? 2010-10-29T17:45:09.530

7 Using autocorrelation to find commonly occurring signal fragments 2010-11-06T21:12:01.923

7 Making square-root of covariance matrix positive-definite (Matlab) 2011-01-19T01:00:36.910

7 Calibrated boosted decision trees in R or MATLAB 2011-04-25T16:46:53.890

7 The effect of the number of samples in different cells on the results of ANOVA 2011-05-24T19:12:20.207

7 Coding an interaction between a nominal and a continuous predictor for logistic regression in MATLAB 2011-06-06T23:05:34.870

7 Confused by MATLAB's implementation of ridge 2012-02-17T20:58:48.453

7 Normalizing a 2D-histogram and getting the marginals 2012-03-13T14:22:57.260

7 What's the simplest way to create a beanplot in MATLAB? 2012-06-22T20:57:03.807

7 Implementation of Dirichlet cdf? 2013-04-25T18:41:44.543

7 Bootstrapping residuals: Am I doing it right? 2013-08-15T21:35:20.763

7 Correlation coefficient for non-dichotomous nominal variable and ordinal/numeric variable 2013-10-17T13:05:10.583

7 How to do factor analysis when the covariance matrix is not positive definite? 2015-04-07T21:32:45.143

7 Computing Dvoretzky–Kiefer–Wolfowitz bounds in MATLAB 2015-04-07T22:14:16.790

7 Mechanics behind deviation from random distribution 2015-05-21T11:56:46.817

7 Why is my combined p-value, obtained using the Fisher's method, so low? 2015-06-23T07:39:28.300

7 QQ Plot Reference Line not 45° 2016-10-17T10:07:06.877

7 How is the spherical elevation angle distributed when $(x,y,z)$ are uniformly and normally chosen? 2017-01-25T02:23:28.400

6 How can I work around "lumpiness" in simulated maximum likelihood estimation? 2010-09-20T17:45:15.683

6 Random number generation using t-distribution or laplace distribution 2011-05-21T18:53:13.727

6 How to correctly use the GPML Matlab code for an actual (non-demo) problem? 2011-06-26T18:39:31.343

6 Simulated annealing and k-means 2011-11-02T03:32:41.217

6 How to compare joint distribution to product of marginal distributions? 2012-03-10T13:57:40.307

6 Difficulty in understanding Hidden Markov Model for syntax parsing using Viterbi algorithm 2012-03-16T06:23:50.527

6 Residual, linear least squares and quality engineering 2012-10-25T14:55:16.513

6 Numerical Instability of calculating inverse covariance matrix 2013-02-27T14:31:30.917

6 How to test my data against an specific normal distribution? 2013-04-14T21:20:38.217

6 Libsvm one-class svm: how to consider all data to be in-class 2013-06-06T09:23:26.130

6 Statistics of sample correlation for uniformly distributed samples 2013-07-12T21:43:10.013

6 Optimization of the regularized least squares with gradient descent 2014-02-19T18:12:29.170

6 How to perform cross-validation for PCA to determine the number of principal components? 2014-04-15T11:52:20.870

6 What is the correct way for correlation and auto correlation plot? 2016-08-31T03:53:12.830

6 How can I draw a value randomly from a kernel density estimate? 2018-01-04T14:35:54.933

5 Choosing the right threshold for a biometric trait authentication system 2010-12-05T03:24:56.760

5 2D object recognition using MATLAB 2011-07-26T11:06:27.290

5 Numerical accuracy of multivariate normal distribution 2011-11-17T18:45:25.267

5 Function to convert arithmetic to log-based covariance matrix? 2011-11-18T21:26:25.120

5 How to deal with gaps/NaNs in time series data when using Matlab for autocorrelation and neural networks? 2012-02-15T19:25:44.330

5 Robust estimation of a geometric random variable 2012-05-01T08:22:04.903

5 Determining smoothing parameter in HP filter for hourly data 2012-08-19T20:25:33.500

5 Perpendicular offsets in a weighted least squares regression 2012-10-15T12:35:11.937

5 Wolfram Mathematica, MATLAB or something else? 2012-11-07T17:01:51.790

5 Logistic Regression Cost Function issue in Matlab 2012-12-12T09:45:08.280

5 LibSVM cost weights for unbalanced data doesn't work 2012-12-16T12:54:22.823

5 Interpreting p-value significance from Pearson correlation 2013-02-02T14:50:23.713

5 Two sequences, one HMM 2013-03-25T17:15:27.260

5 Singular values of the data matrix and eigenvalues of the covariance matrix 2013-10-08T11:18:28.560

5 What tools do Machine Learning experts use in the real world? 2014-01-30T03:37:57.107

5 Interpreting Principal Component Analysis output 2014-03-19T11:09:11.347

5 Comparing ISOMAP residual variance to PCA explained variance 2014-03-24T03:04:20.963

5 How to form a Precision-Recall curve when I only have one value for P-R? 2014-04-17T21:47:07.847

5 Zero inflated negative binomial with selection 2014-06-26T12:51:35.543

5 Nonparametric ANOVA with interaction? 2014-07-02T08:58:03.680

5 Total least squares curve fit problem 2014-08-05T19:39:32.397

5 Is the objective to beat a random classifier when the data set is skewed using PR curves? 2015-01-20T15:06:52.697

5 How to use PCA for prediction? 2015-09-06T20:08:43.253

5 How do I compare multiple runs of K-means? 2015-12-14T22:14:14.900

4 Smoothness of a surface 2010-10-07T19:21:25.180

4 How do I use the GPML package for multi dimensional input? 2011-03-29T09:47:18.770

4 Cross variogram with a moving window 2011-04-25T09:12:07.153

4 DerivativeCheck fails with minFunc 2011-07-06T18:28:31.233

4 Best practices for density estimation of discrete & continuous random variables 2011-07-07T08:29:53.267

4 How to compute the gradient for logistic regression in Matlab? 2011-08-16T18:30:21.400

4 Testing if data comes from a normal distribution with mean 0 and unknown variance in Matlab 2011-08-19T06:11:31.587

4 In matlab, results from anova1 and multcompare disagree? 2012-03-17T23:15:17.010

4 Dimensionality reduction for classifying textures with MATLAB 2012-05-07T16:52:57.840

4 Trending algorithm for performance monitoring 2012-07-22T06:19:47.160

4 Evaluating the variation in the power of a known periodicity 2012-08-10T12:41:06.687

4 Singular covariance matrix in Mahalanobis distance in Matlab 2012-09-21T12:49:48.480

4 L1 norm linear function estimation 2012-09-27T16:02:08.920