Chang ,JX

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Archive for February, 2008

stata mlabel in R

Posted by changjx on February 28, 2008

In stata
tw scatter y x,mlabel(state)
In R
plot(y,x,type=”n”)
text(y,x,labels=row.names(swiss),col=ifelse(Catholic>50,2,”blue”),cex=.8)

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選課計界

Posted by changjx on February 26, 2008

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