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並前往https://newbedev.com/how-to-get-a-vertical-geom-vline-to-an-x-axis-of-class-date

How to get a vertical geom_vline to an x-axis of class date?

gg + geom_vline(xintercept=as.numeric(mydata$datefield[120]), linetype=4). A simple test example: library("ggplot2") tmp <- data.frame(x=rep(seq(as.

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