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Hamza Ali


Last seen: 7ヶ月 前 |  2017 年からアクティブ

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質問


which quantile value is good for prediction ?
Hello, Quantile random forest model is used to predict 1 year solar radiation. Question : which quantile value should i use ...

5年弱 前 | 1 件の回答 | 0

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Autocorrelation plots for stationary time series
Hello, Please, i have stationnarized times series (removing trends and seasonality using differencing) in order to find most s...

5年弱 前 | 0 件の回答 | 0

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How clustering analysis improve neural networks performance ?
Hello, I divided my training set using clustering analysis into several subsets in order to improve performance. But, i don'...

6年以上 前 | 1 件の回答 | 0

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Optimal hidden nodes number
Hello, Thank you for your response. I compute R_square with following relationship : R_square = 1 - (trainPerform / var(...

6年以上 前 | 0

質問


Optimal hidden nodes number
Hello everybody, In order to determine optimal hidden neurons, Trial and error algorithm has been used (trial = 10, 10 < H <...

6年以上 前 | 3 件の回答 | 0

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質問


Trial-and-error or K-fold cross-validation
Hello, As researcher, i would like to ask for efficient algorithm to determine ANN's architecture (number of hidden neurons ...

7年弱 前 | 1 件の回答 | 0

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Optimal hidden nodes number
Hello everyone, I would like to find optimal hidden nodes number using structured trial an error. I did the following simulation...

約7年 前 | 3 件の回答 | 0

3

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質問


How to normalize new inputs with mapminmax ?
Hello, I have normalized my data with mapminmax which gives values between -1 and 1. However, when I present new inputs to my n...

約7年 前 | 1 件の回答 | 0

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質問


Negative output neural networks
I trained my neural network, but it generates negative values even though the target values are positive. I wonder why ?

約7年 前 | 1 件の回答 | 0

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質問


Set initial weights of neural networks
Hello everyone ! I would like to set the initial weights of artificial neural network in order to define relevant number of h...

約7年 前 | 0 件の回答 | 0

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Permut Data for Neural Networks
Hello eveybody ! I use Neural Networks for prediction and i would like to apply random permutation to DataInputs(2*1199) and...

約7年 前 | 1 件の回答 | 0

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質問


How to initialize weight and biases for single hidden layer ?
Hello Everyone ! Please i need your help ! In order to create artificial neural networks for solar radiation prediction, I n...

7年以上 前 | 0 件の回答 | 0

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Error using load Number of columns on line 2 of ASCII file
Hello everyone ! I followed your advice literally, which led me to the following result: %%%%%%%%%%% Load training...

7年以上 前 | 0

質問


Error using load Number of columns on line 2 of ASCII file
Hello everybody ! I want to make a prediction by using Extreme learning Machine (ELM), but i encountered a problem when rea...

7年以上 前 | 5 件の回答 | 1

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Error using load Number of columns on line 2 of ASCII file
Thanks very much for your reaction, the problem is solved using the xlsread function. However, I get only one column that the nu...

7年以上 前 | 0