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Nikitas Provatakis


Active since 2018

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Calculating Mutual Information Between Responses and Stimuli
Hi all, I have collected neuronal data over time and have arranged them into matrices so that matrix S represents a stimulus ...

6 years ago | 0 answers | 0

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Grouping Data Into Smaller "Bins"
Hi everyone, I have a matrix G containing a number of data points (say 5000 for the sake of this example). I would like to cr...

6 years ago | 1 answer | 0

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Calculating a Network's Diameter
Hi everyone, I have a graph, G on which I have a applied the distances function such that d=distances(G); to get the matr...

6 years ago | 1 answer | 0

1

answer

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Is it Necessary to De-Mean my Data before Applying PCA, or does pca(X) do that Automatically?
I am aware that a first step in performing PCA for dimensionality reduction is de-meaning the data. I have performed PCA afte...

6 years ago | 1 answer | 0

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How can I Perform Dimensionality Reduction of my Data using PCA?
Hi everyone, I have collected some data over time and have organized it in a matrix where every row denotes a voltage value f...

6 years ago | 1 answer | 0

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The FFT plot of my Signal does not Exhibit Clear Spikes as Expected.
I have collected some fluorescence time series data from some cortical cells. Let's consider a single cell, where the data is de...

6 years ago | 0 answers | 0

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