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Giuseppe D'Amico


Last seen: 5 días ago
26 total contributions since 2020

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Question


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

5 días ago | 0 answers | 0

0

answers

Question


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...

5 días ago | 1 answer | 0

1

answer

Question


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 ...

20 días ago | 0 answers | 0

0

answers

Question


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...

20 días ago | 1 answer | 0

1

answer

Question


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...

alrededor de 1 mes ago | 0 answers | 0

0

answers

Question


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...

alrededor de 2 meses ago | 0 answers | 0

0

answers

Question


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....

2 meses ago | 1 answer | 0

1

answer

Answered
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"...

2 meses ago | 0

Question


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...

2 meses ago | 2 answers | 0

2

answers

Question


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...

3 meses ago | 1 answer | 0

1

answer

Question


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...

3 meses ago | 1 answer | 0

1

answer

Question


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 ...

3 meses ago | 1 answer | 0

1

answer

Question


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...

3 meses ago | 1 answer | 0

1

answer

Question


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...

3 meses ago | 0 answers | 0

0

answers

Question


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...

3 meses ago | 1 answer | 0

1

answer

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

3 meses ago | 0

Question


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...

3 meses ago | 3 answers | 0

3

answers

Question


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...

3 meses ago | 1 answer | 0

1

answer

Question


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...

3 meses ago | 1 answer | 0

1

answer

Question


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...

3 meses ago | 1 answer | 0

1

answer

Question


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...

4 meses ago | 0 answers | 0

0

answers

Question


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...

4 meses ago | 1 answer | 0

1

answer

Question


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...

4 meses ago | 0 answers | 0

0

answers

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

4 meses ago | 0

Question


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...

4 meses ago | 1 answer | 0

1

answer

Question


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...

4 meses ago | 3 answers | 0

3

answers