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Help with Linear Regression & Comparison of 2 Regressions
You could separate the data into 4 parts: circumferential "increasing pressure" circumferential "decreasing pressure" axial "...

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Hybrid method to sentiment analysis column number error
Updating this answer based on the comment below: You have built one svm classifier based on the bag-of-words features. It sound...

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How to understand the fsrmrmr function in Regression Learner App
You have not given the context of what formula you are asking about, but I will take a guess. The fsrmrmr and fscmrmr functions ...

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Getting the accurate percent of the predicted classes using predictFCN
Editing this answer based on the comments below: Ok, so it sounds like, for each test observation, you want the score of each o...

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How to understand the fsrftest function in Regression Learner App
The short answer is that there is no conflict. fsrftest is as described in the documentation at https://www.mathworks.com/help/...

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classification learner app train all model script export
As you know, the "Generate Function" button in the Export section of the Classification Learner app generates MATLAB code for tr...

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How does the Classification Learner app calculate multi-class accuracy?
The doc page "Visualize and Assess Classifier Performance in Classification Learner" should answer all of your questions about c...

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Feature selection Matlab R2022a classification learner app
Two thoughts: (1) I recommend to try the same task (feature selection within the classificaiton learner app) on the latest MATL...

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Passing numerical and categorical data to regression learner .predictFcn programmatically in app designer
In general, when using trainedModel.predictFcn, the observation data that is passed to trainedModel.predictFcn should contain th...

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Classification Learner to App Designer
This question is answered at https://www.mathworks.com/matlabcentral/answers/1718885-using-a-trained-regression-model-in-app-des...

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how to use already trained model in app designer for classification purpose.
This question is answered at https://www.mathworks.com/matlabcentral/answers/1718885-using-a-trained-regression-model-in-app-des...

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How to make predictions with exported model from Classification Learner in App Designer?
This question is answered at https://www.mathworks.com/matlabcentral/answers/1718885-using-a-trained-regression-model-in-app-des...

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Using a trained regression model in app designer
Short answer The short answer is that there is probably another layer in the app.model object, so instead of app.EditField.Va...

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How can I get a shapley summary plot?
At the high-level, the way to build this plot is: (1) Load data and build the model (2) Calculate the Shapley values using the...

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classifier calculates without finding an end for data sets where it worked before. cefhelper.exe consuming RAM.
As a PhD student, you likely have access to the following through your university: (1) MATLAB online at matlab.mathworks.com (...

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How to plot a regression model after exporting from regression learner app to workspace as function
The answer at https://www.mathworks.com/matlabcentral/answers/1881227-question-on-regression-learner-app shows how to create pre...

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launching app regression learner generates an error
More info is needed to answer directly, but here are some questions that may suggest an answer: How did you launch the Regressi...

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How to predict using trained neural network obtained from Classification Learner app
It looks like you are trying to re-implement the "predict" method for a neural network model obtained from Classification Learne...

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How many times does Holdout validation in Classification Learner App run on a data-set
Lets say that, in the new session dialogue, you select to use 10% of the data for hold out validation. In newer releases of the ...

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When using the regression learner app is there a way to save a regression learner session when many regressions have been run?
In R2022a and higher, Classification Learner and Regression Learner allow saving and loading of the app session. This is for the...

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Solver of Neural Network Models in Regression Learner app
The page https://www.mathworks.com/help/stats/choose-regression-model-options.html indicates that Regression Learner uses the fi...

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time series cross validation in svm
In R2022b, the "tspartition" function for time series partition was introduced: https://www.mathworks.com/help/stats/tspartition...

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training error in k-fold method
The Regression Learner app does not show the error metrics on the training data using the final model. The answer at https://www...

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Different Plots with the same dara on two different Versions
In the plot that looks like a line (21a), it looks like the observations in the data have been sorted from lowest to highest val...

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How is the prediction speed, in the regression learner, calculated?
The short answer is that Regression Learner uses the tic and toc commands around the model "predict" method call/s on the valida...

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Is k-folds cross-valiation in regressionlearner random or block/leave one out?
You can perform leave-one-out cross-validation in Regression Learner by setting the number of cross-validation folds equal to th...

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How can I test different kernels on my data using Gaussian process regression (GPR) ?
Your data has only seven points, so this is a very small dataset. Here are some results using R2022b RegressionLearner to build ...

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Question on Regression Learner App
To get the RMSE results on validation data, a set of k-fold cross-validation models are needed. In the example provided, 50-fol...

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Question on Regression Learner App
To work with a model from the Regression Learner app at the MATLAB commandline, it is recommended to use the "Export model" or "...

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What type of cross validation to use if my data has 5 scans per sample to avoid having same sample in train and test set
In near-infrared spectroscopy, it is common to average the spectra obtained from scans of the same sample. Even if some scans we...

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