search for: logarthm

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2009 Jan 12
1
Problem between panel.abline and log scales (lattice)
Hello and Happy New Year to all R-Users !!! I would like to plot a lattice graph with a logarthmic y axis and add two reference lines that is : ref<-c(0.0070, 0.0096) graph1<-xyplot(data$y1 ~ as.numeric(strptime(data$x1, format="%Y-%m-%d %H:%M:%S")) | as.character(data$Code), list(y = list(log = T)), xlab="X'", ylab="Y", panel = function(...) {...