Search results for: Handy programs to visualize NIRS data

Handy programs to visualize NIRS data (6): plotAverage

This is the 6th post of the series: Handy programs to visualize NIRS data When we do an experiment, we often repeat an event (or...
Xu Cui
55 sec read

Handy programs to visualize NIRS data (5): plot2

Let’s say you have two correlated variables, x and y. You may have more then one data points with x=10 and y=5. But if...
Xu Cui
31 sec read

Handy programs to visualize NIRS data (4): wt

In case you need to visualize your time series in both time and frequency domain (or just frequency domain), you can use the wt...
Xu Cui
33 sec read

Handy programs to visualize NIRS data (3): plotFFT

Sometimes you wish to know the spectrum of a time series. plotFFT is a handy function for this purpose. You instantly know the power...
Xu Cui
11 sec read

Handy programs to visualize NIRS data (2): plotTopoMap

Often you need to view the spatial pattern of activation as in the example below. plotTopoMap allows you to do that. It probably only...
Xu Cui
37 sec read

Handy programs to visualize NIRS data (1): plotTraces

You often need to plot the time series of NIRS signal from all channels with event indicators (See the example below). plotTraces can do...
Xu Cui
26 sec read

What does a wavelet transform plot tell you?

Let’s say you collected some brain data (time series) using NIRS while the participants were performing a task (say finger tapping), and you use...
Xu Cui
1 min read