search for: lopp

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...