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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....

10개월 전 | 0

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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...

10개월 전 | 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). ...

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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...

10개월 전 | 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...

10개월 전 | 0

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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...

10개월 전 | 0

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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...

11개월 전 | 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...

11개월 전 | 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 ...

11개월 전 | 0

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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...

11개월 전 | 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...

11개월 전 | 0

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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...

11개월 전 | 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...

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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...

11개월 전 | 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...

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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...

11개월 전 | 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...

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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...

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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 ...

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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 ...

12개월 전 | 0

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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...

12개월 전 | 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....

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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...

12개월 전 | 0

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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...

12개월 전 | 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...

12개월 전 | 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 ...

12개월 전 | 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...

12개월 전 | 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...

12개월 전 | 0

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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...

12개월 전 | 0

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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...

12개월 전 | 0