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Obtained from uu <- url("http://www.math.mcmaster.ca/bolker/R/misc/salamander.txt") sdat <- read.table(uu,header=TRUE,colClasses=c(rep("factor",5),"numeric")) See https://rpubs.com/bbolker/salamander for more information.
uu <- url("http://www.math.mcmaster.ca/bolker/R/misc/salamander.txt") sdat <- read.table(uu,header=TRUE,colClasses=c(rep("factor",5),"numeric"))