Matthew Clark

自 2019 起处于活动状态

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统计学

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How to create time lagged variables
Is it a good way to create time lagged variables ? I mean y(t) then I y(t-3) in my case is PL1 column? Helps it is urgent ra...

6 years 前 | 0 个回答 | 0

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Help with inputs for NARX net
whos inMat Name Size Bytes Class Attributes inMat 21x1200 201600 doub...

6 years 前 | 0 个回答 | 0

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Overfitting or what is the problem
I am training my NN getting good results (I think) se attached pictures, but if I test my NN for new datas results are very poor...

6 years 前 | 0 个回答 | 0

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Evaluating neural network prediction formulas
Hi there I need some help,, I am evaluating my neural network prediction with MAPE,MAE,MSE,RMSE methods are these formulas below...

6 years 前 | 0 个回答 | 0

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Formula for two layer FFNN
y=b2+LW2_1*tansig(b1+IW1_1*x1); %for one hidden layer what will be my formula look like if I use 2hidden layers 20 15 neurons?...

6 years 前 | 2 个回答 | 0

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How to get hourly mean values for each table ?
I have table with several variables. I want to count mean values/hour and day/24h.Insert it into same table to new collumns. '1...

6 years 前 | 1 个回答 | 0

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How to obtain a value from timestamp
Hello everyone, Is there any method, or way how to obtain a value for example same hour previous day ? Thanks a lot

6 years 前 | 1 个回答 | 0

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How to obtain a value from timestamp
so if I want to get prev24h value I have to use for loop to loop throughout the array and array at indek i-144 will be my previo...

6 years 前 | 0