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Alex


自 2014 起处于活动状态

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统计学

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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...

5 years 前 | 1 个回答 | 0

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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....

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 2 个回答 | 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 ...

5 years 前 | 2 个回答 | 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...

5 years 前 | 1 个回答 | 0

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已回答
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 ...

5 years 前 | 0

提问


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

6 years 前 | 1 个回答 | 0

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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?

6 years 前 | 0 个回答 | 0

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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...

6 years 前 | 1 个回答 | 0

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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...

6 years 前 | 1 个回答 | 0

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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....

6 years 前 | 2 个回答 | 0

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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...

7 years 前 | 0 个回答 | 0

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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...

9 years 前 | 1 个回答 | 0

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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." ...

10 years 前 | 0 个回答 | 0

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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...

10 years 前 | 0 个回答 | 1

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