Community Profile # Joanne Hall

Last seen: 2 mois il y a Actif depuis 2022

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Question

unpack cell array of letters to be plugged into individual-cell rows, in a vector
Dear Matlab, I have a cell array of letters in each cell (they are channel labels), attached herein. Eventually, I want to 'un...

3 mois il y a | 2 réponses | 0

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Question

Trying to randomly permute a time series, error with time point
Dear Matlab, I have an EEG signal, which I ran through wavelet convolution to produce a 3D matrix of time-frequency values, tha...

5 mois il y a | 1 réponse | 0

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Question

what test to use on z-scores
Dear matlab, I have z-scores of 2 groups. I want to compare them. What test in matlab should I use for relative comparison u...

6 mois il y a | 1 réponse | 0

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Question

make a grouped bar graph with individual data points and std error bars inside the bars
Dear Matlab, I have delta and theta power spectrum data for 2 groups of participants. Control group N=11. Patient group N=6 (to...

6 mois il y a | 1 réponse | 0

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Question

I have a vector where the end is padded with NaN. How to index where real numbers end and where NaNs begin
Dear Matlab, Attached is sample data with a row vector. The row vector is an averaged EEG signal and starts with real numbers ...

7 mois il y a | 1 réponse | 0

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Question

In a cell array (which contains num. vectors of different lengths [ex.1x159871]), pad the ends of each cell with 'NaN' according to the longest row [ex. 1x249359]
Dear matlab, I have a cell array with 17 sets of EEG signal data 'housed' in one mother cell array (ex. one cell is 1x159871 si...

7 mois il y a | 1 réponse | 0

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Question

How to plot multiple plots in one figure without overwriting
Dear Matlab, I have attached sample data with 2 groups - their mean averaged power spectrum signal). GOAL: to plot all data in...

8 mois il y a | 1 réponse | 0

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Question

How to join matrices of different lengths into one mother matrix
Dear Matlab, I have an EEG signal dataset with 14 files. GOAL: to join all files together into one mother uber matrix, i.e. si...

8 mois il y a | 1 réponse | 0

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Question

In contourf(), Force a matrix to begin at a specified value on the Y axis
Dear matlab, I have a matrix that is a 32 X 7 double. I'm doing cross-frequency coupling with EEG data. The amplitude rang...

9 mois il y a | 1 réponse | 0

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Question

contourf lower edge effects, how to fix and how does contourf work
Dear Matlab, Using CONTOURF() to plot phase-amplitude coupling with an EEG signal, there appears what I call 'an edge effect' a...

12 mois il y a | 1 réponse | 0

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Question

How to plot a shaded region in pwelch plot from top to bottom
Dear Matlab, I have a pwelch plot from matlab, for EEG data. I would like to shade in regions from 10-13 hz (on the x axis) fro...

12 mois il y a | 1 réponse | 0

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Question

contour() function plots with a solid background (and not a transparent background, which is desired)
Dear matlab, I'm plotting a colored spectrogram with contourf(). Then, I would like to plot statistics on top of this plot by ...

environ un an il y a | 1 réponse | 0

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Question

pause() function is inaccurate
Dear MATLAB, Using a function to produce a series of auditory click trains. It does produce the click trains, but the matlab pa...

environ un an il y a | 2 réponses | 0

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Question

creating uber matrix composed of smaller EEG data matrices (in a for loop): undesired outcome: creates 1 number that repeats in every cell for each subject
Dear matlab, Goal: to create an uber mother matrix of EEG channel data sets, into one matrix. My EEG data for each individual ...

plus d'un an il y a | 1 réponse | 0

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Question

edfwrite replaces all values in sigdata matrix with "0.48829" in every cell (matlab 2021b)
Hi Matlab team, I tried the following code in matlab 2021b and it produced a matrix with every cell containing only one value...

plus d'un an il y a | 1 réponse | 0

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