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Hamza Ali
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Question
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 ...
nästan 5 år ago | 1 answer | 0
1
answerQuestion
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...
ungefär 5 år ago | 0 answers | 0
0
answersQuestion
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'...
mer än 6 år ago | 1 answer | 0
1
answerOptimal hidden nodes number
Hello, Thank you for your response. I compute R_square with following relationship : R_square = 1 - (trainPerform / var(...
mer än 6 år ago | 0
Question
Optimal hidden nodes number
Hello everybody, In order to determine optimal hidden neurons, Trial and error algorithm has been used (trial = 10, 10 < H <...
mer än 6 år ago | 3 answers | 0
3
answersQuestion
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 ...
nästan 7 år ago | 1 answer | 0
1
answerQuestion
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...
ungefär 7 år ago | 3 answers | 0
3
answersQuestion
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...
ungefär 7 år ago | 1 answer | 0
1
answerQuestion
Negative output neural networks
I trained my neural network, but it generates negative values even though the target values are positive. I wonder why ?
ungefär 7 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 7 år ago | 0 answers | 0
0
answersQuestion
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...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 7 år ago | 0 answers | 0
0
answersError 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...
mer än 7 år ago | 0
Question
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...
mer än 7 år ago | 5 answers | 1
5
answersError 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...
mer än 7 år ago | 0