Answered
bootstrap function parametric approach or non-parametric
Hi Ehsan, In MATLAB, the bootstrp function is used for bootstrapping, and it primarily implements non-parametric bootstrapping....

9 months ago | 0

Answered
Can I use PCA and K-means to cluster movement trajectories?
HI Darya, Using PCA followed by K-means clustering is a reasonable and common approach to analyze and cluster trajectories base...

9 months ago | 0

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Is it necessary to normalize a training data for KPCA?
Hi, Yes, it is generally necessary to normalize your training data before applying Kernel Principal Component Analysis (KPCA). ...

9 months ago | 0

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How to get my desired dimension using pca in MATLAB?
Hi Sunil, To reduce your matrix to a form of (1 \times N) using PCA, you'll need to perform a few steps. Typically, PCA reduces...

9 months ago | 0

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we are working with project called denoising of image using PCA-LPG Algorithm. Where can we find the information of PCA matlab code?
Hi Priyanka, To find information and resources related to implementing Principal Component Analysis (PCA) in MATLAB, especially...

9 months ago | 0

Answered
tukey, 'tukey-kramer' or both in the function multcompare
Hi Bethel, The `multcompare` function in MATLAB, when using the `'tukey-kramer'` option for the `'ctype'` parameter, implements...

9 months ago | 0

Answered
How to use Friedman's test as one-way ANOVA instead of two-way?
Hi Pegah, Yes, using the Friedman test in this context is appropriate. The Friedman test is a non-parametric alternative to the...

10 months ago | 0

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Plot hotelling's confidence ellipse in PCA
Hi Karthik, To draw an error ellipse on a PCA plot, you can use the covariance matrix of the principal component scores to dete...

10 months ago | 0

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how can I get the basic function of the cubic B-spline [N i,d (t)]? thank you.
Hi farouk, To compute the basic function of a B-spline, denoted as ( N_{i,d}(t) ), you need to follow the recursive definition ...

10 months ago | 0

Answered
PCA 3d Matrix
Hi Antonio, When dealing with 3D data in MATLAB and you want to apply PCA, you'll need to reshape your data into a 2D matrix be...

10 months ago | 0

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How to define fittype object from custom function?
HI Fotaras, When defining a fittype object in MATLAB, it's crucial to ensure that your custom function returns an output of the...

10 months ago | 0

Answered
How do I normalise the first principal component in PCA such that its scalar product is equal to 1?
HI Kan, To ensure that the first principal component has a scalar product equal to 1 (i.e., it is normalized), you need to manu...

10 months ago | 0

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using glmfit and/or manova
HI John, To analyze whether there is an overall difference in responses between two populations and to identify any specific st...

10 months ago | 0

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How to perform linear discriminant analysis (LDA)?
Hi Joynjo, To perform Linear Discriminant Analysis (LDA) for dimensionality reduction and visualize the results, you can use MA...

10 months ago | 0

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determine the normal to a plane using PCA
Hi Victor, Yes, you can use the principal component analysis (PCA) coefficients to determine the normal vector of your data pla...

10 months ago | 0

Answered
Two-Sample Kolmogorov-Smirnov Test Statistic
Hi Barbara , In order to compute the Kolmogorov-Smirnov test statistic as you've described, you can use the following MATLAB co...

10 months ago | 0

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kernel PCA for process monitoring
Hi Raphael, Kernel PCA (KPCA) can be a powerful tool for process monitoring, especially when dealing with nonlinear data. To im...

11 months ago | 0

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How to Test Images in Kernel PCA
Hi Arkram, When using Kernel PCA (KPCA) for face recognition or any other application, the testing phase involves projecting ne...

11 months ago | 0

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How to interpret an answer given by PCA
Hi Yoolla, When performing PCA, especially with variables measured in different units, it's crucial to ensure that the data is ...

11 months ago | 0

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I need functions of B-Spline & NURBS in CAM Simulator to generate CAM profile.
Hi D, Generating a CAM profile using B-Splines and NURBS (Non-Uniform Rational B-Splines) involves creating smooth curves that ...

11 months ago | 0

Answered
Calculating Average of Principle Component Analysis (PCA) Data
Hi Zack, To calculate the average of PCA-transformed data for each group, you'll need to follow these steps: Perform PCA. Org...

11 months ago | 0

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Missing data in repeated measure model
Hi Gabrielle, When using fitrm in MATLAB to fit a repeated measures model, handling missing data is an important consideration....

11 months ago | 0

Answered
how to use PCA coefficients (princomp)
Hi A, To apply Principal Component Analysis (PCA) using MATLAB's princomp (or the updated pca function), and then transform you...

11 months ago | 0

Answered
When using bootstrp, are paired variables resampled together?
Hi Macrina, In the bootstrp function in MATLAB, when you resample data that consists of paired observations (like LSAT scores a...

11 months ago | 0

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how to create dataset for classification and pattern recognition (neural network)
Hi Hanem, Creating a dataset for classification and pattern recognition involves several key steps. Organize your data Prepar...

11 months ago | 0

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How to perform 2-way repeated-measures Manova using RepeatedMeasuresModel?
Hi Christian, To perform a two-way repeated-measures MANOVA in MATLAB using the RepeatedMeasuresModel, you need to ensure that ...

11 months ago | 0

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Manova method for repeated measures model
Hi Jan, To perform a repeated measures ANOVA with unequal sample sizes without losing data, you can consider reshaping your dat...

11 months ago | 0

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How can I use a vector as a problem-dependent variable for fittype
Hi, To address the issues you're experiencing with fitting a series of experimental data sets using a custom equation in MATLAB...

11 months ago | 0

Answered
Nodes number in BSpline Matlab
Hi Bowen, To extract a specific number of uniformly spaced points from a B-spline curve generated by MATLAB's spmak and fnplt f...

11 months ago | 0

Answered
Transform points from PCA space to the original space!
Hi Najah, To transform the means of the Gaussian Mixture Model (GMM) back from the PCA-transformed space to the original featur...

11 months ago | 0