Displaying 2 results from an estimated 2 matches for "lopp".
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2007 Aug 29
2
My server won't boot (grub looping - stage2)
Hi,
This morning one of my servers (centos 4.5) refused to boot. The console
shows a lopp message grub loading stage2...
I've been able to boot from the install CD choosing the rescue option. I
can chroot /mnt/sysimage with no problems and even started the services
(network, mysql , httpd etc).
How can I solve this?
I've followed the manual (
http://www.gnu.org/software/grub...
2009 Oct 15
1
performing function on lists where each element is a data frame
...ulate the weighted mean for H in each list element, with
N providing the weights. I can do this fine for an individual list element:
> weighted.mean(list[[1999]]$H,list[[1999]]$N)
[1] 0.4456403
or even:
> weighted.mean(list[[i]]$H,list[[i]]$N)
[1] 0.5992683
but when I try and apply it in a lopp to give me back the weighted mean for
each list element, I get errors:
> list_blah<-matrix(1:2000)
> for(i in 1:2000){
+ list_blah[i]=weighted.mean(list[[i]]$H,list[[i]]$N)}
Error in list[[i]] : subscript out of bounds
I am clearly not understanding a basic syntax issue, and I am not ove...