Xu Cui
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544 Stories by Xu Cui
updated: 2010/01/05, add plot of original data Assume our data contains two features and they are highly correlated (say, r>0.9). The 1st feature does slightly better than the 2nd one in classifying the data. The question is, is the weight of the
My desktop computer in the lab is a Mac Pro. I also installed Windows XP on this computer through VMWare. Windows XP (and 7, now windows 10 64bit) major working environment, including manuscript writing, data analysis, preparing presentation etc MS W
I usually write MatLab scripts to parse the behavior data collected in a fMRI or NIRS experiment. It’s powerful and flexible. But as I have to do an Excel version recently, I found Excel has a great advantage — it’s easy to share wi
If your AIR application needs to do something (e.g. saving some settings) before quitting, you may listen to the Event.EXITING event, and then preventDefault(), then do something, and finally call NativeApplication.nativeApplication.exit() to quit. B
My dell computer (E510) doesn’t make my life easy: If I turn it off, I can’t turn it on easily. The yellow light is blinking but it just doesn’t turn on. After I turned it on with some complicated tricks months ago, I have always ke
If you use mx:WindowedApplication, you won’t have this problem. If you use mx:Application, you may find your application is not visible after launching. Solution: open your application description file (xxxx-app.xml) and change visible propert
Host OS: Mac Virtual machine: Windows XP Problem: You initially set the hard disk size to 20G. Later you find you need to increase the disk size to 100G. Solution: turn off your virtual machine and set the hard disk size to 100G. You don’t need
I am learning svm lately and tried libsvm. It’s a good package. Linear kernel example (support vectors are in circles): Nonlinear example (radial basis) 3-class example Basic procedure to use libsvm: Preprocess your data. This including normali