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Rida Alfonso


Last seen: más de 2 años hace |  Con actividad desde 2020

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I am having a little difficulty in understanding the implementation of kNN
% In the attached data file, I am predicting two classes (purchased or not purchased) using KNN based on two predictors that ar...

más de 2 años hace | 0 respuestas | 0

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Extracting data points from signals
I have a matrix of size 147456 x 3, This signal represents a data of 72 seconds where the sampling frequency was 2048. The signa...

alrededor de 3 años hace | 1 respuesta | 0

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How to compare values within a matrix?
accuracy = [58,60,52,57,62] I have the accuracies and now i want to check if they are significantly different from each other. ...

más de 3 años hace | 1 respuesta | 0

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How to inspect gain of a biomedical signal?
We have recorded an emg signal using an amplifier and the gain of amplifier was set to 10 thousand , and we know that the amplit...

más de 3 años hace | 0 respuestas | 0

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How to apply bandpass filter to a single data type?
We have recorded signals but when i load the signal into matlab, the data type is single. I want to apply bandpass filter and no...

más de 3 años hace | 1 respuesta | 0

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K FOLDS AND LDA
I have performed signal pre-processing,segmentation ,feature extraction, feature reduction using PCA and feature labelling.Now a...

más de 3 años hace | 0 respuestas | 0

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Framing or overlapping segmentation of EMG Signal
I have an EMG SIGNAL AND I WANT TO PERFORM OVERLAPPING SEGMENTATION ON THIS SIGNAL USING A 200-MILLISECOND DATA WINDOW WITH A 50...

casi 4 años hace | 0 respuestas | 1

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Respondida
segmentation of a signal
clc clear fs=2048; windowSize = fs*0.3; % Number of samples required for 200ms window stepSize = fs*0.05; % Numbe...

casi 4 años hace | 0

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segmentation of a signal
i have a nx3 matrix of a signal and i want to make small segments of 0.3 ms of this signal. using the following code i can make ...

casi 4 años hace | 3 respuestas | 0

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How to perform segmentation on EMG signals?
Hi! I am attaching an EMG signal of nx3 size , i want to perform overlapping segmentation on this signal using a 200-millisecon...

casi 4 años hace | 0 respuestas | 0

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How to alternatively cut a signal into segments of different sizes
I have an EMG signal of duration 680 seconds, i want to make segments of this signal starting from the 1st 6 seconds and then th...

casi 4 años hace | 1 respuesta | 0

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