ticks not appearing in ggplot

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I'm graphing some data and want tick marks on the x-axis of my plot. My data looks like:

  publication   labels   percentage
1 foo           0       .4572
2 foo           1       .0341
3 foo           2       .09478
4 foo           3       .0135
5 bar           0       .7442
6 bar           1       .2847

in which each name has labels from 0 to 9.

My code looks like:

ggplot(aes(y = percentage, x = labels, color = publication), data = labelsdf)+
  geom_point(size = 3)+
  scale_x_discrete(breaks = c(0,1,2,3,4,5,6,7,8,9),
                   labels = c('1','2','3','4','5','6','7','8','9','10'))

But my graph looks like:

enter image description here

There weren't any tick marks without the breaks or labels specified either. Why aren't my ticks appearing?

1 Answers
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