Displaying 2 results from an estimated 2 matches for "tqk".
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tk
2008 Jan 11
3
filtering data frame based on two columns
Hi,
I have a data frame df with column names a,b and c.
Now I want to get a subset of df that satified the condition a == 1 and b
== 2, how do I specify this.
For one condition like a == 1 I can use subdf = df[,df$a==1] to get the
right answer, but
subdf = df[,df$a==1 && df$b ==2] does not return the right answer.
Some quick tips please.
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