Search results: tag:"pca" - MATLAB Answers

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Results for tag:"pca" (633 results)

Results 51 - 100 of 633

1

answer

0 votes
8 views

3D dendrogram visualization

Asked by Aliaksandra Sikirzhytskaya on 19 Jan 2023

Latest activity Answered by Tushar on 21 Feb 2023

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Cluster Analysis and Anomaly Detection Hierarchical Clustering

1

answer

0 votes
3 views

How could I graph the percent of variance by PC component?

Asked by Chanille on 17 Feb 2023

Latest activity Answered by the cyclist on 18 Feb 2023

Accepted Answer by the cyclist

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
5 views

Can matlab perform Quantum PCA? if not, what does?

Asked by Neo on 14 Feb 2023

Latest activity Answered by Neo on 17 Feb 2023

Accepted Answer by Neo

Image Processing and Computer Vision Image Processing Toolbox Image Segmentation and Analysis Image Segmentation

1

answer

0 votes
1 view

Feature Extraction Using PCA for Chest XR image dataset

Asked by YASHITHA GOLLAPALLI on 16 Feb 2023

Latest activity Answered by Sachin on 16 Feb 2023

Accepted Answer by Sachin

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
6 views

automatic circles that enclose clusters of similar data something like lineCoeff = polyfit(x, y, n) (regression line)

Asked by Neo on 9 Feb 2023

Latest activity Commented on by Neo on 14 Feb 2023

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

2

answers

0 votes
27 views

what does pc1 and pc2 represent?

Asked by Neo on 8 Feb 2023

Latest activity Commented on by Neo on 12 Feb 2023

Accepted Answer by Image Analyst

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

0

answers

0 votes
1 view

What does it mean when euclidean distance gives the best separation using t-sne (stochastic neighbor embedding function)?

Asked by Neo on 3 Feb 2023

Latest activity Commented on by Neo on 3 Feb 2023

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
8 views

PCA of 6 axis

Asked by hayder al-omairi on 10 Nov 2022

Latest activity Commented on by hayder al-omairi on 26 Jan 2023

Accepted Answer by Amey Waghmare

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

1 vote
9 views

Partial Least Squares regression - confidence interval of the predicted variable (response)

Asked by Gustavo Lunardon on 20 Jan 2023

Latest activity Commented on by Gustavo Lunardon on 25 Jan 2023

Accepted Answer by Torsten

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

0

answers

0 votes
3 views

How extract rotated PCs' eigenvalue and explained variance?

Asked by farshad jahangiri on 25 Jan 2023

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
5 views

reshape help doing PCA when all images contained in one .mat file

Asked by Adam on 25 Jan 2023

Latest activity Answered by KSSV on 25 Jan 2023

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
2 views

can I take pca analysis of columns extracted from pixel values of a converted to gray image?

Asked by Neo on 19 Jan 2023

Latest activity Commented on by Image Analyst on 21 Jan 2023

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

3

answers

0 votes
9 views

Given a big square matrix and some eigenvalues, how to find the corresponding eigenvectors?

Asked by yi yang on 2 Jan 2023

Latest activity Commented on by yi yang on 4 Jan 2023

Accepted Answer by Christine Tobler

MATLAB Mathematics Linear Algebra

1

answer

0 votes
3 views

MATLAB: How to do CUV and PCA on a dataset

Asked by Oliver on 29 Dec 2022

Latest activity Edited by the cyclist on 29 Dec 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
3 views

How to show principal component axis next to the original axis in IRIS data?

Asked by farshad jahangiri on 21 Dec 2022

Latest activity Commented on by farshad jahangiri on 23 Dec 2022

Accepted Answer by Image Analyst

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
3 views

How to do PCA in Matlab?

Asked by Azzam Albalawi on 16 Dec 2022

Latest activity Edited by Bora Eryilmaz on 16 Dec 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
3 views

error in pca code

Asked by Neo on 8 Dec 2022

Latest activity Edited by Neo on 8 Dec 2022

Accepted Answer by Bora Eryilmaz

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
0 views

why the coefficient of case 2 is 2 columns, not 5 columns? (about coefficient value of PCA)

Asked by HYUN SEOK on 5 Dec 2022

Latest activity Commented on by HYUN SEOK on 7 Dec 2022

Accepted Answer by Jon

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

0

answers

0 votes
3 views

How can I convert 2D matrix into a sequence?

Asked by Rab Nawaz on 30 Nov 2022

Latest activity Edited by Rab Nawaz on 30 Nov 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
1 view

PCA function matrices .

Asked by Kamal on 7 Nov 2022

Latest activity Answered by Kamal on 15 Nov 2022

Accepted Answer by Kamal

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
31 views

How to change color of the data on biplot by the result of clustering

Asked by 徹也長島 on 11 Nov 2022

Latest activity Commented on by Adam Danz on 11 Nov 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

2

answers

0 votes
20 views

Principle component analysis coefficients and standardization

Asked by Rebecca Savage on 11 Mar 2021

Latest activity Edited by Kamal on 7 Nov 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

0

answers

0 votes
7 views

How to control PWM servo driver for arduino from Simulink?

Asked by Yash Patel on 23 Oct 2020

Latest activity Commented on by Grisel López Hernández on 18 Oct 2022

Simulink Simulink Supported Hardware Arduino Hardware

2

answers

0 votes
12 views

MATLAB: Which components are kept in PCA with Classification Learner?

Asked by Ariadna Colmenero Cobo de Guzmán on 22 Aug 2022

Latest activity Answered by Image Analyst on 18 Oct 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

2

answers

0 votes
41 views

hypercube or hyperpca not found. Not even in R2020b .why ?

Asked by Tahira Batool on 20 Jan 2021

Latest activity Commented on by 嘉讯 on 13 Oct 2022

Accepted Answer by Subhadeep Koley

Image Processing and Computer Vision Computer Vision Toolbox Point Cloud Processing Display Point Clouds

2

answers

0 votes
10 views

different result of PCA function and my PCA

Asked by farshad jahangiri on 12 Oct 2022

Latest activity Edited by David Goodmanson on 12 Oct 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

3

answers

2 votes
238 views

How to apply PCA correctly?

Asked by Sepp on 12 Dec 2015

Latest activity Edited by the cyclist on 12 Oct 2022

Accepted Answer by the cyclist

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
0 views

I used PCA on 9-D data. I want to plot PCs direction

Asked by farshad jahangiri on 28 Sep 2022

Latest activity Answered by the cyclist on 29 Sep 2022

Accepted Answer by the cyclist

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
20 views

How can I plot direction of principal components in PCA

Asked by farshad jahangiri on 27 Sep 2022

Latest activity Commented on by farshad jahangiri on 27 Sep 2022

Accepted Answer by Chunru

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

4

answers

4 votes
275 views

How to select the components that show the most variance in PCA

Asked by Faraz on 27 Feb 2016

Latest activity Edited by the cyclist on 1 Sep 2022

Accepted Answer by the cyclist

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
2 views

Question about different results using PCA and SVD

Asked by HpW on 16 Aug 2022

Latest activity Commented on by HpW on 16 Aug 2022

Accepted Answer by Steven Lord

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
3 views

pca as an optimization problem

Asked by yp78 on 14 Oct 2018

Latest activity Answered by Prabakaran G on 16 Aug 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
11 views

Using pca function to reconstruct vectors within and outside test set

Asked by nms09 on 15 Aug 2022

Latest activity Answered by William Rose on 15 Aug 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

2

answers

0 votes
12 views

PCA scaling and centering documentation wrong?

Asked by Ari Paul on 24 Mar 2015

Latest activity Edited by the cyclist on 8 Aug 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

3

answers

1 vote
26 views

With PCA, how much of the photo did i compress?

Asked by ali yaman on 15 Jul 2022

Latest activity Commented on by William Rose on 6 Aug 2022

Accepted Answer by William Rose

Image Processing and Computer Vision Computer Vision Toolbox Recognition, Object Detection, and Semantic Segmentation Semantic Segmentation

1

answer

0 votes
6 views

Why does filtering data before PCA improve results?

Asked by Morgan Facchin on 2 Aug 2022

Latest activity Edited by Bruno Luong on 2 Aug 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

0

answers

0 votes
3 views

i want to impute missing data using Iterative algorithm with PCA- Model building. Can someone help me with the MATLAB code

Asked by Bisma on 14 Jul 2022

Latest activity Commented on by Bisma on 14 Jul 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
1 view

How to use PCA algorithm for feature reduction...?

Asked by deep singh on 31 May 2017

Latest activity Answered by Nidhi on 12 Jul 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
0 views

how to apply pca on a fingerprint image????plz help me...

Asked by Mahesh H M on 25 Mar 2015

Latest activity Answered by Nidhi on 12 Jul 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
0 views

Is it suitable to include dependent varible when conducting PCA?

Asked by Xiaoxiao Du on 5 Jun 2022

Latest activity Commented on by Xiaoxiao Du on 8 Jun 2022

Accepted Answer by the cyclist

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
20 views

(PCA) How do I find out if principal components (number of significant coefficients) change over time?

Asked by lil brain on 13 Apr 2022

Latest activity Edited by William Rose on 3 Jun 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

2

answers

0 votes
5 views

How to find the eigenvector associated with the highest eigenvalues.

Asked by Nicola Dall'Osto on 29 May 2022

Latest activity Edited by Torsten on 29 May 2022

Accepted Answer by Matt J

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

0

answers

0 votes
1 view

How can I reproduce manually the random variables of the aPC function

Asked by Jaime De La Mota Sanchis on 8 May 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
0 views

How do I save multiple PCA results in a cell array? Error: Brace indexing not supported

Asked by lil brain on 6 May 2022

Latest activity Commented on by Star Strider on 6 May 2022

Accepted Answer by Star Strider

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

0

answers

0 votes
2 views

Transform and Combine fileDatastores to Train CNN

Asked by Shahad Sabeeh on 19 Apr 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
7 views

How do I run PCA on multiple cell arrays

Asked by lil brain on 13 Apr 2022

Latest activity Commented on by lil brain on 13 Apr 2022

Accepted Answer by Image Analyst

MATLAB Language Fundamentals Data Types Data Type Conversion

1

answer

0 votes
3 views

How to perform template matching between matrix and image?

Asked by Nightsky on 22 Mar 2022

Latest activity Answered by Image Analyst on 22 Mar 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
3 views

I need a code for doing PCA.

Asked by Rashidul Alim Anik on 19 Mar 2022

Latest activity Answered by the cyclist on 19 Mar 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
1 view

NUMCLUSTERS must be a positive integer not greater than the number of data

Asked by Bao Ngo on 19 Mar 2022

Latest activity Commented on by Bao Ngo on 19 Mar 2022

Accepted Answer by Walter Roberson

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

3

answers

1 vote
55 views

How to project a new point to PCA new basis?

Asked by Evgheny on 9 Nov 2012

Latest activity Answered by Jun Ming Soh on 8 Mar 2022

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

Results 51 - 100 of 633