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Question
Round Datetime to certain minutes
Hey, I am trying to round an array of datatype datetime to nearest 20 and 50 minutes, e.g. 16:30 - 16:20, 16:54 - 16:50, 16:01 ...
4 years ago | 1 answer | 0
1
answersize of sequence input layer of LSTM
Because the inputSize is equal to the number of used features (6 in your case). See documentation https://de.mathworks.com/help/...
4 years ago | 0
Question
Explanation predictorImportance - Ensemble Learning with Decision Trees
Hey, I try to understand what the function predictorImportance is doing when using Ensemble Learning with Decision Trees. The M...
4 years ago | 1 answer | 0
1
answerHow do I obtain scores as probabilistic estimates using the predict function on a fitcensemble model?
So the 'ScoreTransform','logit' works for AdaboostM1 to receive probability estimates. Bagging does not require any transformati...
4 years ago | 3
Question
Adaboost Learning Rate in Matlab Documentation
Hey, the description of Adaboost allows to set a learn rate. https://de.mathworks.com/help/stats/fitcensemble.html However, ...
4 years ago | 1 answer | 0
1
answerQuestion
Classification Score "fitcensemble" with Decision Trees - Ambiguous Matlab Documentation
Hey, I try to figure out how the classification score is calculated when using cecision trees with the fitcensemble function. I...
4 years ago | 1 answer | 0
1
answerQuestion
Create k-fold Cross Validation with Undersampling for highly imbalanced Dataset
Dear Community, I am not sure how to implement the following requirement. When I use undersampling for my supervised Machine Le...
4 years ago | 1 answer | 0
1
answerQuestion
How are NaN Values handled by Matlab Decision Tree / Ensemble Learner
Hey, I could not find a satisfying answer with respect to the topic provided in the title. Does Matlab exclude entire observati...
4 years ago | 1 answer | 0
1
answerHow to upgrade MATLAB R2020a
Unfortunately, you have to reinstall all toolboxes. Using "ver" command, you can look at all installed toolboxes
4 years ago | 0
Question
Heatmap of One Variable
Hey folks, I hope you can help me with the issue attached to this question. I would like to create a heatmap that looks like th...
4 years ago | 1 answer | 0
1
answerQuestion
Increase counter for each element in array
Hey, given A = [1 1 3 4 5 6 6 7 7 7]. How could I return the sequence B =[1 2 1 1 1 1 2 1 2 3] such that each duplicate is coun...
4 years ago | 1 answer | 0
1
answerQuestion
Use perfcurve to update model threshold?!
Dear Community, I am wondering how to use the datapoint of OPTROCPT (see example https://www.mathworks.com/help/stats/perfcurve...
4 years ago | 0 answers | 1
0
answersROC curve - how automatically find the most suitable threshold?
There is an output available in the perfcurve functions that returns the value you are looking for: [X,Y,T,~,OPTROCPT,suby,su...
4 years ago | 0
Weighted Classification Layer for Time Series/LSTM
Dear Conor, would you mind to explain how it works for a Sequence-to-label classification? I have imbalanced sequence data (9...
4 years ago | 0
Question
Find Command after certain Value
Dear Community Members, I am looking for a function to return the rowindex of the following problem: Assuming a matrix A, I nee...
4 years ago | 1 answer | 0
1
answerQuestion
Run same function for different objects from same class
Hey guys, I am still a beginner in OOP. Hope, that the question is not too stupid ;). Let's assume geMode1,geMode2,geMode3,ge...
5 years ago | 2 answers | 0
2
answersVarargout - How to realize function call
Thanks yor your help folks! I thought that a more sophisticated way exists than setting out = [ ]. Anyway, I am happy with that ...
5 years ago | 0
Question
Varargout - How to realize function call
Hey guys, let us assume the following function: function [out1,out2,out3]=test(j,k) out1= nargin; out2 = j-k; if out2 == ...
5 years ago | 3 answers | 0
3
answersQuestion
Heatmap Chart - Depict Squares rather than Rectangles
Hey guys, I have a heatmap object h and would like to depict squares rather than rectangles (see appendix). The heatmap prope...
5 years ago | 1 answer | 0
1
answerQuestion
Calculate minimum distance between point and steady but NON differentiable function
Hey, I could not find any mathematical explanation regarding this topic on the internet and hope for your help. Is there a way...
5 years ago | 1 answer | 0
1
answerQuestion
Function - return array instead of single value
Hey, I have the following problem: The function stated below has an input of "lat_deg" and "long_deg" arrays. However, the ou...
5 years ago | 0 answers | 0
0
answersQuestion
Leave out dot notation in table variables
Hey guys, I am using quite a lot of functions that require the variables from a table "D". Because of that, every function has ...
5 years ago | 2 answers | 0
2
answersQuestion
Concatenate Tables with/without "Join"
Hey guys, I could really need your help right now! Let us assume A = table(['A';'B';'C';'D';'E'],[38;43;38;40;49],... 'V...
5 years ago | 1 answer | 0
1
answerQuestion
Moving Mean Function - How to apply
Hey guys, I want to create a moving average with window size 4 as depicted below (take last 4 entries and in the beginning the ...
5 years ago | 1 answer | 0