Can you find any pattern in the two signals, green and blue? The blue signal is the brain wave (measured by NIRS) of a person when he is pressing some buttons (the timing of button pressing is shown i
Wavelet transform coherence (WTC) is a method for analyzing the coherence and phase lag between two time series as a function of both time and frequency (Chang and Glover 2010). Here I played with it
SVM is mostly commonly used for binary classifications. But one branch of SVM, SVM regression or SVR, is able to fit a continuous function to data. This is particularly useful when the predicted varia
Update 2021/2/27: If you find griddata3 not working, try to change griddata3 to griddata. I was asked where to get nirs2img script. Here it is. The download link is at the bottom of this article. nirs2img is to create an image file from the input data. Then theimage file can be viewed by a
Return to table of contents 1. CustomAutoComplete This component can be very useful. It pops up a list of suggestions based on characters entered by the user. This is a very simple example on how to use it: <controls:CustomAutoComplete id="se
Return to table of contents After the application is initialized, Event “applicationComplete” is dispatched and the following function is called: // in employeedirectory.mxml ui.init(); Go to ApplicationUI.mxml, we find ui.init() issues t
Return to table of contents In ApplicationUI.mxml (init()), you will find the following two lines: // in ApplicationUI.mxml, in init() titleControls.addEventListener( "showHelp", showHelpScreen ); addEventListener( "close", closeP
Return to table of contents Which line(s) in the code determines the size of the application? This seemingly simple question did take me some time. The answer lines in the following two lines: // in ApplicationUI.mxml <mx:vbox id="contentBox&
Return to table of contents While reading ED code, I frequently encounter singleton pattern. A singleton class is a class you can only instantiate once and it is useful to store application-wide data (say window position). ApplicationModel and all ma
Return to table of contents CSS is very convenient to control the appearance of the user interface. Let’s see the following code snippet inside employeedirectory.css too see how to use styling. .appHelpButton { up-skin: Embed("/embed_asset
Return to table of contents When I downloaded and launched ED, I was impressed by its elegant user interface. So how is implemented? The relevant files are: And the hierarchy of UI is shown below. I expand each custom component (except EmployeeView a
Return to table of contents While most other Adobe AIR sample applications have only a single mxml file, ED has many folders and files. Here is the structure of the source code: We can see that the codes are grouped in different folders. The hierarch
Return to table of contents When I ran Employee Directory (ED) for the first time I was instantly impressed by its elegance. But when I started to read the code I found myself totally lost. While most other sample or tutorial applications provided by
