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2011 Jun 09
0
missing values and error message
...ch variable, i can plot using the code and then i can proceeed to the other plots using the code below: The code is as follows: Chair002OD<-read.csv("Chair002OD.csv", header=TRUE) attach(Chair002OD) names(Chair002OD) oldpar<-par(mfrow=c(2,2),oma=c(0,0,2,0) 0.1) truehist(SDANN5mins,SDANN5mins="FD",col="blue",main="Histogram of SDANN5mins", ylab="Frequency",prob=FALSE) box() plot(density(SDANN5mins,lwd=1, main="Density estimation",font.main=1) rug() Error in density.default(SDANN5mins) : 'x' contains missing...