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Last seen: 9개월 전 2021년부터 활동

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How to interpret and determine clusters in SOM Neighbour Distance Plot
I need help interpreting and identifying clusters in the attached SOM Neighbour Distance plot. I am not sure how to determine th...

12개월 전 | 답변 수: 1 | 0

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How to get the exact samples inside SOM neurons
I have abalysed my data using neural clustering for Self Otganising Maps from the Neural Net Clustering from Machine Learning an...

대략 1년 전 | 답변 수: 1 | 0

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How to cluster data with multiple classes with SOM and colour the map
My data has 1700 rows (samples) and 186 predictors. I have 52 different groups or classes (Grp 1, 2, 5, 23, etc up to 52) to clu...

대략 1년 전 | 답변 수: 1 | 0

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How to use various combinations of samples to build model
I am trying to use different combinations of the samples in my data(X) on each iteration to build a SVR model with fitrsvm until...

대략 1년 전 | 답변 수: 1 | 0

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How to select samples to leave out when building my regression model and automate it
I am using fitrsvm (Support Vector Regression) on my data matrix (I have attached an excel example version of it). I have abou...

대략 1년 전 | 답변 수: 1 | 0

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How to predict responses of new data from a crossvalidated SVR model
Hi there I have trained and cross validated my Support Vector Machine regressor model (CValidated_Mdl) with KFold cross validat...

1년 초과 전 | 답변 수: 1 | 0

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How do I match corresponding rows of class labels to data
I have 838 by 400 matrix as my data, I also have a 275 by 2 file which contains my class labels but they are not organised to m...

거의 2년 전 | 답변 수: 1 | 0

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How do I average a matrix in steps but they are not all in equal steps
I have a matrix of 2214 by 8001, the absorbances were measured 5 times for each sample but some signals were were not good enou...

거의 2년 전 | 답변 수: 1 | 0

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I have a data in cell array of 1330 rows x 401 columns, I want to take the mean in steps of 5 and have the new matrix as 266 x 401 instead of 1330 x 410.Thanks for your help
I have a data in cell array of 1330 rows x 401 columns, I want to take the mean in steps of 5 and have the new matrix as 266 x 4...

거의 2년 전 | 답변 수: 1 | 0

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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
My data (150 samples) has 5 NIR scans per sample. I am not able to average the 5 scans because some of them were taken out as t...

대략 2년 전 | 답변 수: 1 | 0

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How to get DBSCAN to assign the items to the clusters found
I have used DBSCAN on MATLAB R2021 to cluster my data into 3 groups. I want to be able to get DBSCAN to actually assign and name...

거의 3년 전 | 답변 수: 1 | 0

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New variables after computing Principal Components Analysis
After computing principal components analysis, what will represent my new variables to be used to build my model , is it the sco...

거의 3년 전 | 답변 수: 2 | 0

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How do I normalize Area under curve of NIR spectra to 1
How do I normalize Area Under Curve of NIR spectra to 1 using Matlab 2020b please? Thank You

거의 3년 전 | 답변 수: 1 | 0

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How to read multiple .spc files
Hi there Please can someone help me with this I am using tgspcread to open/read my spectral data files I need to read 222 .sp...

거의 3년 전 | 답변 수: 2 | 0

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I am not sure why my if statement code is not working
I have this code which omits the first two conditions and executes the last one , can you please have a look as I have tried it ...

거의 3년 전 | 답변 수: 1 | 0

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

대략 3년 전