Giuseppe D'Amico
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Accept 5 answers given by other contributors
Awarded to Giuseppe D'Amico on 18 Dec 2020
Feeds
Frage
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...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
How to calculate MAPE for type double
I have to vector of type double; target_2019 and output_2019. How can i calculate MAPE?
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 ...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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....
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortForecast 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"...
fast 4 Jahre vor | 0
Frage
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...
fast 4 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 ...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 4 Jahre vor | 1 Antwort | 0
1
Antwortwhy do I have an error on the length function?
can you give me theoretical information on autocorrelation? What are the lags?
etwa 4 Jahre vor | 0
Frage
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...
etwa 4 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
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...
etwa 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 4 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
etwa 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 4 Jahre vor | 0 Antworten | 0
0
Antwortencreate csv files by extracting data from a starting csv file
ok, I'll wait
etwa 4 Jahre vor | 0
Frage
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...
etwa 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 4 Jahre vor | 3 Antworten | 0
3
Antworten
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