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Giuseppe D'Amico


Last seen: casi 3 años hace |  Con actividad desde 2020

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Estadística

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divide a matrix based on the presence of a coefficient
Hi everyone, I need a hand. I have 87600 x 4 matrices where, in the fourth column, there is a value that differentiates between...

más de 3 años hace | 2 respuestas | 0

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How to calculate MAPE for type double
I have to vector of type double; target_2019 and output_2019. How can i calculate MAPE?

más de 3 años hace | 1 respuesta | 0

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How to remove elements from two arrays when one of them has a zero
Hi everyone, I'll explain my problem. I have two arrays of the same length which are called respectively: target_2019 and outpu...

más de 3 años hace | 1 respuesta | 0

1

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move in a 4-axis chart
I made the following graph with 4 axes, the problem is that if I try to move by zooming in on the graph only two axes change at ...

casi 4 años hace | 1 respuesta | 0

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how to create a chart with two x axes, one of which with month / day
x1 = linspace(0,17508,17508); plot(x1,target_2019,x1,output_2019) xlabel("quarter hour") ylabel("Reactive Power") title("Ser...

casi 4 años hace | 1 respuesta | 0

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How to see the number of parameters and effective parameters on a neural network trained with trainbr?
Hi everyone, I'm training TDNN neural networks for reactive energy prediction. I have trained several networks and have found th...

casi 4 años hace | 1 respuesta | 0

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HELP, how can I improve the neural network?
Hi everyone, I really need help from someone who knows the subject and knows how to address me correctly. I am creating neural n...

casi 4 años hace | 1 respuesta | 0

1

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How can i fix this error?
Hi everyone, I'm using the following script which was made by another person for the prediction of various types of time series....

casi 4 años hace | 1 respuesta | 0

1

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Forecast for Reactive Power (HELP PLEASE!!!)
ok thank you, I downloaded the experimental app, could you give me some advice on how to set the trainingoptions? is the "adam"...

casi 4 años hace | 0

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Forecast for Reactive Power (HELP PLEASE!!!)
hi everyone, I'm new and I've been working with neural networks for a few months. In particular, the work I am doing is making a...

casi 4 años hace | 2 respuestas | 0

2

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Reuse a NARX neural network after it has been trained
Hello everyone, I have created a NARX neural network for the prediction of reactive power, giving it input temporal data and act...

casi 4 años hace | 1 respuesta | 0

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Data pre - processing for artificial Neural Network
Hi everyone, I have a question. I am using the advance scripts made by Matlab for the creation of neural networks (by neural net...

casi 4 años hace | 1 respuesta | 0

1

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transform data from hourly to quarter hourly
Hi everyone, I kindly ask you for help for a problem that I am facing, basically I have hourly data of active power produced by ...

casi 4 años hace | 1 respuesta | 0

1

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how to decrease the error autocorrelation of a neural network
Hi all, I'm building neural networks, whose task is the prediction of time series of reactive power knowing the active power. F...

casi 4 años hace | 1 respuesta | 0

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how to make my network more performing?
Hi everyone, I'm building a neural network for the prediction of the reactive power of an HV / MV substation knowing the reactiv...

casi 4 años hace | 1 respuesta | 0

1

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Why can't I use the mae error with the Levenber-Marquardt algorithm?
Hi, I'm training a neural network using a script I got using the matlab tool on neural networks.In particular I am using a timed...

casi 4 años hace | 1 respuesta | 0

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why do I have an error on the length function?
can you give me theoretical information on autocorrelation? What are the lags?

casi 4 años hace | 0

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why do I have an error on the length function?
hi, I have a file of 70080 lines of which I want to obtain the autocorrelation graph, why do I get this error? I state that prev...

casi 4 años hace | 3 respuestas | 0

3

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how to convert double .mat file to a column of numbers on excel
Hi everyone, I have the following .mat file made up of data that I want to report in an excel column? how can i save this data i...

casi 4 años hace | 1 respuesta | 0

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how to manage the input data to a neural network (time series)
Hi everyone, I'm using the machine learning and deep learning toolbox to train neural networks for predicting time series. At t...

casi 4 años hace | 1 respuesta | 0

1

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doubt about student license
hi, I have a matlab student license which allows me to use all available toolboxes. I was wondering, is it possible to use this...

casi 4 años hace | 1 respuesta | 0

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make two curves similar as a parameter changes
Hello everyone, I have a question not exactly simple to ask you. I have an .xlsx file whose data I cannot upload as it is sensi...

alrededor de 4 años hace | 0 respuestas | 0

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autocorrelation of time series
hi all, I'm trying to carry out the autocorrelation of a historical series of which here I insert a part of the starting file as...

alrededor de 4 años hace | 1 respuesta | 0

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use of correlation analysis and neural networks for the prediction of reactive power knowing the active power
Hi everyone, I'm an engineering trainee taking my first steps in the field of statistics. What I have to do during my internshi...

alrededor de 4 años hace | 0 respuestas | 0

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create csv files by extracting data from a starting csv file
ok, I'll wait

alrededor de 4 años hace | 0

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how to extract certain lines from a csv file
Hi everyone, I really need a hand. I have a csv file containing many lines which cannot be opened in excel. I would like to crea...

alrededor de 4 años hace | 1 respuesta | 0

1

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create csv files by extracting data from a starting csv file
Hi everyone, I am writing to you as not being familiar with matlab I do not know the commands and I would need your help to crea...

alrededor de 4 años hace | 3 respuestas | 0

3

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