已回答
How to find training confusion matrix for model exported from classification learner app?
Given: (1) A model exported from Classification Learner is in the workspace as trainedModel (that is the default name when expo...

2 years 前 | 2

已回答
ClassificationLearner Cross Validation without shuffling
You can have Classification Learner train on reps 1 and 2 and test on rep 3 by first separating the data at the commandline. The...

2 years 前 | 0

已回答
How to find the accuracy rate of Regression Models in Classification Learner App
The page that you referenced is for the Regression Learner app. If you look at the doc pages for Classification Learner, or use ...

2 years 前 | 0

已回答
kFoldLoss output is different from R2018b to R2021b
The differences in kfoldloss are generally caused by differences in the k-fold partition, which results in different k-fold mode...

2 years 前 | 0

已回答
Classification Model Accuracy Using Classification Learner
It sounds like the model is overfitting on the training data. Some techniques to avoid overfitting can be seen here: https://www...

2 years 前 | 0

已回答
does regression learner bagged tree is random forest or just bagged tree?
The short answer is that the "Bagged Trees" preset in the Regression Learner app does create a random forest of bagged trees usi...

2 years 前 | 0

已回答
Question about using regressionLearner app
Since the 95% prediction interval for GPR models is not viewable within the regression learner app, you can move to the matlab c...

2 years 前 | 1

已回答
Regression tree and regression equation
You can train a regression model using the regression learner app, then export the model to the workspace to predict new data as...

2 years 前 | 0

| 已接受

已回答
How to use random forest in MATLAB?
The short answer to your question is yes. That is, the "Bagged Trees" classifier in the classification learner app uses a random...

2 years 前 | 0

已回答
How to solve an error using a function generated by Classification Learner
Based on the warning messages, it looks like there are a couple of issues in your dataset. (1) The first warning sounds like y...

2 years 前 | 0

已回答
How can the classification learner app can output a single tree after cross validation?
The short answer is that the Classification Learner does not export the k cross-validation models, but rather exports a final mo...

2 years 前 | 0

| 已接受

已回答
Issue with the output of 'Classificaion learner app'
This is fixed in R2022b.

2 years 前 | 0

| 已接受

已回答
How would I use Classification algorithms to identify waveforms and assign them a label?
To fully answer your question would require more info about your application and data. From what you wrote, perhaps you have a t...

2 years 前 | 0

已回答
How do I make the results of a boosted classification tree reproducible?
The different results are likely coming from randomization in the hyperparameter optimization. https://www.mathworks.com/help/st...

2 years 前 | 0

已回答
How can I use the output of a classifier as the input of other classifier?
Using the output of one classifier as the input of another classifier is called stacking. Stacking, bagging, and boosting are al...

2 years 前 | 0

| 已接受

已回答
MATLAB: Which components are kept in PCA with Classification Learner?
Each PCA component consists of a linear combination of the original features. The PCA components are ordered according to the e...

2 years 前 | 1

已回答
Machine Learning using Image Labeler App, Classification Learner App
Here is an example of how to extract image features using a pretrained network, and then build a classifier with those features:...

2 years 前 | 0

已回答
Image classification (Image Labeler, Classification Learner App)
Here is an example of how to extract image features using a pretrained network, and then build a classifier with those features....

2 years 前 | 0

| 已接受

已回答
PDP plots for ensembled tree from matlab classification learner app
Note, starting in R2022b, Partial Dependence line plots are available within the Classification and Regression Learner apps. For...

2 years 前 | 0

已回答
Saving Classification Learner Results
In R2022b and higher, Classification Learner and Regression Learner now have a "Results Table" which contains lots of informatio...

2 years 前 | 1

| 已接受