Draw circle using reference points

Question

I have a dataset head that contains two variables x and y that represent points in the contourn of a circle. I try to draw the circle using this code

ggplot(head, aes(x=x, y=y))+geom_line()

However, the plot I get is this one

Could you help me to fix this? I really need to use those points. Thanks.

you want geom_path. probably a dup stackoverflow.com/questions/6862742/draw-a-circle-with-ggplot2 — user10191355
– user10191355, Commented Jul 12, 2019 at 6:54

h1427096 · Accepted Answer · 2019-07-12 06:57:59Z

3

try using geom_path. It connects observations in data order geom_line connect observations ordered by x value.

If your data is not ordered ok, you can order it by computing angle

head <- head %>% mutate(r = atan2(y, x)) %>% arrange(r)

answered Jul 12, 2019 at 6:57

h1427096

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