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Alex


Actif depuis 2014

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Split values for a time-frame to every 15 minutes
Hello all, Firstly, apologies if the title is wrong. So, feel free to edit it. And, here's my situation. I have a certain value...

environ 5 ans il y a | 1 réponse | 0

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Question


Resample multiple overlapping datetime to 1-minute (and 15-minutes) resolution?
Coming back again on resampling datetime.... Situation is I have many water pumps which are filled up in different time-frames....

plus de 5 ans il y a | 1 réponse | 0

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Question


Resample datetime to minute resolution
Hi community! Thanks in advance for the help and suggestions I always receive. Now I jumo to my query! So, I have a dataset as...

plus de 5 ans il y a | 1 réponse | 0

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Question


Insert missing date and corresponding values in a matrix?
Hi! I have a matrix: Column 1 (Start time), Column 2 (End time), Column 3 (Values). However, start and end time are not continu...

plus de 5 ans il y a | 2 réponses | 0

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Plot a vector with different colors on selected data
Hi community, I have a vector of 700 elements. While plotting, I want to plot first 100 points in 'Red' color and the next 100 ...

plus de 5 ans il y a | 2 réponses | 0

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Create a new vector by adding and subtracting each element of original vector.
Hello community, I want to create a new vector by adding and subtracting each element of orginal vector. How can I do? Exampl...

plus de 5 ans il y a | 1 réponse | 0

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Réponse apportée
Wind speed prediction using ARIMA model
Hi Aubui, Could you explain this statement "k_max = round(length(Final_test)/3);% maximum number of lags to be correlated"? I ...

plus de 5 ans il y a | 0

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What is the difference between pca and processpca commands?
Hello all, I would like to learn the difference between the two commands, i.e., pca and processpca? Thanks AD

presque 6 ans il y a | 1 réponse | 0

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Question


What are the axes labels/units of innovation plot in conditional variance models?
In the conditional variance models, what are the labels/units of axes?

environ 6 ans il y a | 1 réponse | 0

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Question


Select 100 random samples from a 50000x9 matrix and perform 50 iterations to save the choices.
I have a matrix of size 50000 x 9. I want to select 100 random samples (like a series of 100nos) from different columns in 50 di...

environ 6 ans il y a | 1 réponse | 0

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Question


How to compare two different sample size on basis of datapoints in same interval?
Dear all, Here is my problem: I have two datasets of size N1 and N2. In both the datasets, I have data from .5 to 1.0. I w...

plus de 6 ans il y a | 1 réponse | 0

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Question


How to visualize two histograms for comparative analysis?
Basically I have two datasets and I want to perform a comparative analysis by showing how many data fall under a specific range....

plus de 6 ans il y a | 2 réponses | 0

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Question


Did anyone use DF-GLS test in econometrics?
I am trying to use DF-GLS test in MATLAB for unit root test but unable to figure out. Any pointers will be helpful. Thanks in...

environ 7 ans il y a | 1 réponse | 0

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Question


Extracting data from .mat file and then adding up results to form a new .mat file
Hello, I have a query regarding data extraction. I got a .mat file with data (365rows representing days, 12columns representi...

presque 9 ans il y a | 1 réponse | 0

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Question


Any solution for "Perhaps Java is not running"?
Hello all, I try to run a function for k-means clustering. When I run it, I get an error "Perhaps Java is not running." ...

presque 10 ans il y a | 1 réponse | 0

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Question


Monte Carlo Simulation in MATPOWER AC Power Flow.
Hello All, I'm pretty much new to MC-Simulation. Although I have worked on MATPOWER, I'm not getting any clue as how to do Mo...

plus de 10 ans il y a | 1 réponse | 1

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