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I have a CentOS (6.8) box running as Dom0 that uses xen-4.6.3-4.el6.x86_64.rpm kernel-3.18.44-20.el6.x86_64.rpm and friends from the virt repo. I can get a basic X environment (Vesa driver) when running in non-Xen mode but, when booting into the hypervisor, that fails. I've tried one suggestion, adding a nopat to the kernel invocation, but that hasn't helpd although I'm sure the

R Users: I'm wondering: Why does my logical vector becomes a numeric vector when stuffed into a data frame? How do I change this so that it's retained as a logical data type? I've tried a couple of things but to no avail. Here's my example code: # Exercise 4-1 in Non-Detects and Data Analysis. Dennis Helsel. 2005. # "Create two new variables in the Interval Endpoints