Answered
How to create a frequency distribution table
From the raw data, you can use histcounts2 (https://www.mathworks.com/help/matlab/ref/histcounts2.html) to get the number of dat...

2 years ago | 0

Answered
How to calculate Shapley values of the constructed classification model from the whole dataset, not a query point ?
The short answer is to loop over the query points, then take the mean(abs(shapley_value)) along the appropriate dimension. You ...

2 years ago | 0

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Inherit or Copy ClassificationLinear
When you do not have a classification model or regression model that is accepted by the shapley command, you can calculate Shapl...

2 years ago | 0

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How to use Shapley function for an already fitted regression model?
You can calculate Shapley values for an arbitrary model by specifying the model prediction function with a function handle, and ...

2 years ago | 1

Answered
Get Shapley values for the whole model
For Shapley-based feature importance, it is recommended to use the mean absolute Shapley values. So, insert an absolute value fu...

2 years ago | 1

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Answered
OLS regression with missing values within the Y variable
Additional info based on the comments below: It looks like you have a timeseries of ETF data. If you want to model it as a time...

2 years ago | 0

Answered
How to apply Ensemble Learning using two Trained Deep Learning Models
The short answer is that for ensemble averaging, use the scores from each classifier, not just the class label predictions from ...

2 years ago | 0

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Sentimental Analysis using SVM
You can find example code of sentiment analysis using SVMs in this post: https://www.mathworks.com/matlabcentral/answers/1945859...

2 years ago | 0

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Answered
normalizing for neural net fitting?
It looks like your question is under-specified. What is the design of the neural network? What are the outputs of the neural net...

2 years ago | 0

Answered
What are "multilayer shallow neural networks"?
The short answer is that "multilayer shallow neural networks" refers to neural networks that have, for example, 2 or 3 layers. ...

2 years ago | 0

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

2 years ago | 0

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Answered
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...

2 years ago | 1

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Answered
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 ...

2 years ago | 0

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Answered
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...

2 years ago | 1

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Answered
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/...

2 years ago | 0

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Answered
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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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Answered
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...

2 years ago | 0

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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...

2 years ago | 0

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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...

3 years ago | 7

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Answered
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 (...

3 years ago | 1

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Answered
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...

3 years ago | 0

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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...

3 years ago | 0

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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...

3 years ago | 0

Answered
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 ...

3 years ago | 0

Answered
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...

3 years ago | 1

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