search for: 120322dbcdata

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2012 Mar 22
1
Questions on plotting using zoo toolbox: (1) dual axes (2)legend
Hi, I have three time series and I would like to plot them on the same graph such that two of them share left y-axis and the third uses right y-axis. rm(list=ls()) library(zoo) x1 <- read.csv(file="120322DBCdata.csv", header=TRUE) x1date<-as.yearqtr(1979)+seq(0,nrow(x1)-1)/4 x1zoo<-zoo(x1, x1date, frequency=4) x1zoodata<-cbind(x1zoo$D4GDP, x1zoo$D4NE, x1zoo$CEPDexpansion) plot(x1zoodata, screen=1) My questions are: 1. How can I have the second y-axis on the right? 2. The only legend show...