Hi everybody,
I want to smooth 3 different samples and see the result in the same plot. For that propose I'm using ggplot. I can plot the 3 curves in the same plot , but when I've tried to smoothing them, I have to make it separately, as follow:
c <- ggplot(d3, aes(x = bins, y = sample1, color="sample1")) + labs(y = "Coverage", x = "distance to TSS")
d <- ggplot(d3, aes(x = bins, y =sample2, color="sample2"))+ labs(y = "Coverage", x = "distance to TSS")
e <- ggplot(d3, aes(x = bins, y = sample3, color="sample3"))+ labs(y = "Coverage", x = "distance to TSS")
c + stat_smooth(span = 0.2)
d + stat_smooth(span = 0.2)
e + stat_smooth(span = 0.2)
Is there any way to plot the 3 smooth samples in the same plot?
Thank you very much
Have you tried further collapsing the d3 data frame such that sample is a column with levels sample1, sample2, and sample3? That would solve this (you'd color or fill by sample then). You can use the tidyr package to tidy your data frame.
Now I have a data frame like this:
Bins Sample1 Sample2 Sample3
1 0.54 0.59 0.41
2 0.62 0.75 0.13
3 0.76 0.97 0.50
4 0.21 0.43 0.53
Are you suggesting me to perform a data frame like:
Bins Samples Coverage
1 Sample3 0.13
2 Sample1 0.21
3 Sample3 0.41
4 Sample2 0.42
.....
Thanks!
Yes, then you can use either stat_smooth() or geom_smooth() (they're essentially the same thing) with aes(color=Samples, fill=Samples). ggplot works best with "tidy data" (google "R tidy data" if you're not familiar with that concept).
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