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55
2007 Mar 01
1
covariance question which has nothing to do with R
This is a covariance calculation question so nothing to do with R but
maybe someone could help me anyway.
Suppose, I have two random variables X and Y whose means are both known
to be zero and I want to get an estimate of their covariance.
I have n sample pairs
(X1,Y1)
(X2,Y2)
.
.
.
.
.
(Xn,Yn)
, so that the covariance estimate is clearly 1/n *(sum from i = 1 to n
of ( X_i*Y_i) )
But,
2008 Jun 30
4
Rebuild of kernel 2.6.9-67.0.20.EL failure
Hello list.
I'm trying to rebuild the 2.6.9.67.0.20.EL kernel, but it fails even without
modifications.
How did I try it?
Created a (non-root) build environment (not a mock )
Installed the kernel.scr.rpm and did a
rpmbuild -ba --target=`uname -m` kernel-2.6.spec 2> prep-err.log | tee
prep-out.log
The build failed at the end:
Processing files: kernel-xenU-devel-2.6.9-67.0.20.EL
Checking