Category: cyber
Adjusting control mortality in LC50/LD50 determination using R
Problem: There are R codes for calculating LC50 or LD50 using 4 to 6 data points. However, none uses control… read more Adjusting control mortality in LC50/LD50 determination using R
Server crash: lesson learned
How much back do you need to do so that your web serve is “safe”(from hardware failure)? Well I had… read more Server crash: lesson learned
Backing up strategy
I am tired to intervene with routine backups, so I wanted to automate everything. This is accomplished by running cron… read more Backing up strategy
Survival analysis code in SAS
I am using SAS for survival analysis, but a problem is I have to enter the data 13 times if… read more Survival analysis code in SAS
Two mistakes, a full day
My webservers have been quite stable, probably 3-4 months now without rebooting. I have 2 copies of a disk on… read more Two mistakes, a full day
Getting gmirror to work
here are steps: those followed by “queen#” are the things I typed… the rest are computer responses. gmirror is a… read more Getting gmirror to work
The cyber side of cyberbee
The current hardware for running cyberbee.net, you will be surprised to find out: CPU: AMD Athlon(tm) Processor (950.04-MHz 686-class CPU)… read more The cyber side of cyberbee