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Giuseppe D'Amico


Last seen: 3 years 前 |  自 2020 起处于活动状态

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统计学

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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...

3 years 前 | 2 个回答 | 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?

3 years 前 | 1 个回答 | 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...

3 years 前 | 1 个回答 | 0

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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 ...

4 years 前 | 1 个回答 | 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...

4 years 前 | 1 个回答 | 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...

4 years 前 | 1 个回答 | 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...

4 years 前 | 1 个回答 | 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....

4 years 前 | 1 个回答 | 0

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已回答
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"...

4 years 前 | 0

提问


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...

4 years 前 | 2 个回答 | 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...

4 years 前 | 1 个回答 | 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...

4 years 前 | 1 个回答 | 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 ...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 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...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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

4 years 前 | 0

提问


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...

4 years 前 | 3 个回答 | 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...

4 years 前 | 1 个回答 | 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...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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提问


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 years 前 | 0 个回答 | 0

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...

4 years 前 | 1 个回答 | 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...

4 years 前 | 0 个回答 | 0

0

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

4 years 前 | 0

提问


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 years 前 | 1 个回答 | 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...

4 years 前 | 3 个回答 | 0

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