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How to get validation posterior probabilities from CVSVM classifier
I understand that you want to predict posterior probabilities for testing data on the CVSVM model. However, the intention of Cro...

6年弱 前 | 0

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machine learning normalizing data
I understand that you want to consider OCC as categorical data. Use the categorical function to create a categorical array from ...

6年弱 前 | 0

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Error in port widths or dimensions. Invalid dimension has been specified for input ' SFunction '.
You need to ensure that the various matrices you use are of appropriate shape, so that substraction is possible. For example, if...

6年弱 前 | 0

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Generated code for word size 16bit / 32bit
If both the hardware support the 16 bit setting, then you should have no issues with running the code. If possible, create two d...

6年弱 前 | 1

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I have a little problem when I try to run my custom library for Arduino on matlab.
You are getting out of memory error. This happens when you allocate more memory than in available on the system. For tips on how...

6年弱 前 | 0

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How to apply fit-function on variable
You can pass the new data to the fitobject. See the example below, x = sin(1:10)'; x2 = cos(1:10)'; y = (1:10)'; curve = fit...

6年弱 前 | 1

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How to access .csv files in a .tar.gz file?
You can call a function recursively on the folder, and process the files which match your requirement. See https://www.mathworks...

6年弱 前 | 0

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How to use a trained kNN model from Classification APP NEW DATA.
Once you export the model to workspace, you can predict on new data as follows, y = trainedModel.predictFcn(X); %where X is new...

6年弱 前 | 0

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Why different feature selection functions give so different results?
Selected features will differ due to both algorithmic differences, as well as nature of data. To give an hypothetical example, i...

6年弱 前 | 0

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Error with new version of readtable (R2020a)
The issue is with file encoding. However, it won't be possible for me to tell what encoding is appropriate as this should be men...

6年弱 前 | 0

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How to interpret the coefficients of the LDA function fitcdiscr for dimensionality reduction?
When you use fitcdiscr function, it returns the model that best seperates the classes. You can check the documentation for Class...

6年弱 前 | 0

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Is there a 'DeltaPredictor' (output in linear discriminant analysis) equivalent in other classification algorithms (SVM and KNN)?
Sometimes due to the nature of the underlying model itself, it might not be possible to determine feature importance. For those ...

6年弱 前 | 0

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Cross validation settings for Classification Discriminant models
When you use the crossval function, it creates a partioned model with KFold set to default value of 10. Currently, it's not poss...

6年弱 前 | 0

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How to generate an ellipse using the insertShape Function?
This feature is not available as of now. You can create an ellipse by approximating the polygon.

6年弱 前 | 0

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confusion matrix for multinational regression analysis
You can use mnrval to get the probabilities of each class. These probabilities can then be used to get class prediction, and tho...

6年弱 前 | 0

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Is it possible to simulate a classifiers behaviour?
I understand that you would like to have options for interpreting the results in real time. Currently, it's not possible to vis...

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Different answers for the same algorithm
Inside findwidth function, you have modified the variable D, which is a global variable. This creates the issue. Instead, pass...

約6年 前 | 0

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mesh refinement similar to MeshLab directly in Matlab?
Currently this feature is not supported in MATLAB. It might be considered in any future release. Following are possible workar...

約6年 前 | 0

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How to recover VideoReader object (saved in 32 bit MATLAB into a mat file) in 64 bit MATLAB??
It is not possible to read 32 bit AVI files on 64 bit MATLAB. However, workarounds are mentioned in the following answer https:/...

約6年 前 | 0

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How to run two parallel loops which share variables?
Explicit multiprocessing is not supported in MATLAB. Instead, you can combine the for loops into a single for loop so that the o...

約6年 前 | 0

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Scenario reduction algorithm in matlab
I understand that you are trying to get reduced number of samples from the 1000 samples that you generate. Currently we do not...

約6年 前 | 0

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Using KNN to Classify a Single Image Example(error)
I understand that you want to create KNN model with LBP and RGB standard deviation as features. Without the code, it would not...

約6年 前 | 0

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Vectorization of a for loop
I understand that you want to vectorize the for loop to improve performance. However vectorization of for loops requires that ...

約6年 前 | 0

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adding a new lower resolution level to bigimages
I understand that you want to create lower resolutions of the tiff image and add them as levels to the bigimage object. Curren...

約6年 前 | 0

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Can't open H.264 video in Matlab 2019b
I was not able to replicate this issue with few sample .mp4 files with h.264 encoding. Without the file which creates the issue,...

約6年 前 | 0