Xu Cui
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567 Stories by Xu Cui
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AdaBoost is an algorithm to linearly combine many classifiers and form a much better classifier. It has been widely used in computer vision (e.g. identify faces in a picture or movie). Look at the following example: How it works? First, you have a tr
Assume you got correlation r=0.6 between two variables (N=10), is 0.6 significantly bigger than 0? Or if you observed r=0.98, is it significantly different from r=0.9? For these questions, we need to know the distribution of r of our sample, given th
不熟悉中国八十年代九十年代初的人，可能不知道下面这张照片是干什么的。这是在一场气功讲座上，群众高举双手在“接气”（1987）。我上初中高中时（89-96），学校就很流行这个，校领导也支持，有时还请气功
Download the following 4 files: porttalk.sys, copy to C:\WINDOWS\system32\drivers lptread.m lptread.mexw32 lptwrite.mexw32 Copy the last three files to a directory where your matlab can access. Your LPT port number is probably 0x378 (or 888). Assume
I wrote some batch scripts for NIRS-SPM. They, together with NIRS-SPM and xTopo, are called “super” package (I apparently run out of names). The “super” package are located in directory: /fs/quarry/cuixu/NIRS/super Please don&