※ 引述《mercurial (多变)》之铭言：
: I dicide not to buy another 512MB RAM.
Time is money....
: so I try to use smaller sub groups.
: Finally, 768MB RAM can afford 416000 training data *130 testing data.
Good luck!~ (we all need that.)
: ※ 引述《mercurial (多变)》之铭言：
: : I did try to divide them to sub groups.
: : This time, the problem is out of memory.
: : I have already bought a 512MB RAM. ><"
: : Now my pc has 256+512MB RAM.
: : Later,I will go out to buy another 512MB.
: : This hw is very very very expensive............