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2017 Oct 10
1
Lock-up during boot when Logitech unifying receiver is connected (UEFI problem?)
Hi, I've got a bit of an issue after I switched to a new laptop for my CentOS 6.9 installation: I'm using a Logitech cordless keyboard and mouse that communicate with the system via a so-called "unifying receiver". If this unit (a small USB thingummy) is connected when I try to boot the system, it locks up completely. This happens before the GRUB screen is displayed. The set-up otherwise works just fine, i.e. I notice no ill effects of connecting the receiver once the system is up-and-running. I did not not have this problem on my old lapto...
2005 Aug 21
1
Warning when using 'prelim.mix' from the package 'mix'
'sodexquan' is an data frame of numeric variables with some missing values. I would like to approximate these missing values using some algorithm. I thereby chose the mix package. But when trying to run the 'prelim.mix' function (aka the function that will prepare the data for further calculations), R says: prelim.mix(truc,0) Error in as.integer.default(list(c(32, 52, 32, 27, 34,