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Stephen Gray


Last seen: 3 dagen ago |  Active since 2019

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Problems loading factoryReports.csv example
Hi I've just purchased the Text Analytics module and am trying out one of the demos which uses factoryReports.csv. I've downoa...

ongeveer een maand ago | 2 answers | 0

2

answers

Question


Worker crashed while executing code
Warning: 1 worker(s) crashed while executing code in the current parallel pool. MATLAB may attempt to run the code again on the ...

6 maanden ago | 0 answers | 1

0

answers

Question


Error (misclassification probability or MSE)
Hi all. I am trying to use the Error (misclassification probability or MSE) function. In the help documentation it shows an ex...

6 maanden ago | 1 answer | 0

1

answer

Question


Speed up Some Code
Hi all. I'm trying to speed up the code below. It's from the SMOTE function that was wrtitten for MATLAB and works really well...

6 maanden ago | 1 answer | 0

1

answer

Question


Speed Up String Conversion
Hi all. I am trying to speed up string conversion of a table field as below :- GoingUC=string(table2cell(Inps(:,5))); Inps is...

7 maanden ago | 1 answer | 0

1

answer

Question


Categorical to Numeric problem
Hi I have a table that has numeric and categorical items in it. I have converted the catergorical items to numeric using the...

11 maanden ago | 2 answers | 0

2

answers

Question


NN memory usage calculation
Hi all Is there a way to calculate the memory a NN will use when training? My NN is net=feedforwardnet([60,30,1]) with 12 vari...

ongeveer een jaar ago | 1 answer | 0

1

answer

Question


Specify Multi core performance processor usage
Hi all. Is there a way when using multi core on a PC to specify that Matlab uses the performance cores first before using the e...

ongeveer een jaar ago | 1 answer | 0

1

answer

Question


New data from one hot encoded NN
Hi all. I have a Neural Net with a few One Hot endocded fields. Everything is working well and it is exhibiting the learning r...

meer dan een jaar ago | 1 answer | 0

1

answer

Answered
net.predictFcn produces 'Argument to dynamic structure reference must evaluate to a valid field name.'
Hi all. Solved it myself. I should have been using net(matrix) instead of predictFcn to get the results. Error is a bit misle...

meer dan een jaar ago | 0

| accepted

Question


net.predictFcn produces 'Argument to dynamic structure reference must evaluate to a valid field name.'
The following code works great, i.e. I get the correct result an d a good performance score. How ever when I use the net.predic...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


Trained Model Predict output from unknown values
Hi all. I've got a trained horse racing model and can predict from this as the prediction variables are known at runtime :- Odd...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


fitcensemble settings to speed the process up
I have a table with 260000 records, 9 fields of which 3 are categorical, the rest are double with the ninth being the target (0 ...

bijna 4 jaar ago | 1 answer | 0

1

answer

Question


Feedforward Net convert from Python
Hi. I have an example of a feedforward network written in Python using an ADAM optimizer which I want to replicate in Matlab. ...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Answered
Neural net backpropogation as per EasyNN-plus
Looking at this again, I think I need to be using feedforwardnet. The problem is fitting my data to the lines net = feedforwar...

meer dan 5 jaar ago | 0

| accepted

Question


Neural net backpropogation as per EasyNN-plus
Hi all. I'm not sure if anyone has heard of EasyNN-plus (EasyNN-plus) but I'm trying to build something similar in Matlab. Acc...

meer dan 5 jaar ago | 3 answers | 0

3

answers