adding numbers on the lines of a plot

Question

I am making a plot as follows:

plot(df$time,df$response,type='o',ylim=c(2.1,2.8),col='black',xlab='Time (h)',ylab='response(L)')
points(df$time,df$res,type='o',col='black')
points(df$time,df$res,type='o',col='black')

here I used type='o'to indicate that the lines are with circles at each time point. But I wish to replace the circles with numbers. Like the first line is 1, the second is 2, and the third is 3. Is there a way to realized this?

score 0 · Accepted Answer · edited May 23 '17 at 12:12

0

You can set pch equal to the number or use the text() function, depending on your needs. You might also look at this post.

edited May 23 '17 at 12:12

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answered Dec 14 '14 at 16:37

adding numbers on the lines of a plot

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