position_stack() changes data when used with geom_line() in ggplot2
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I would like to stack several geom_line() plots one above the other. However they appeared with changed data.
Here is an example:
# make 3 data.frame with some random data
x <- seq(5, 15, length = 1000)
data1 <- data.frame(x = x, y = dnorm(x, mean = 10, sd = 3), sample = "1")
data2 <- data.frame(x = x, y = dnorm(x, mean = 7.5, sd = 3), sample = "2")
data3 <- data.frame(x = x, y = dnorm(x, mean = 12.5, sd = 1), sample = "3")
# bind data
data <- bind_rows(data1, data2, data3)
# plot data without stacking
plot.data <- data %>% ggplot(mapping = aes(x = x, y = y, color = sample)) + geom_line()
# plot data with stacking
plot.data <- data %>% ggplot(mapping = aes(x = x, y = y, color = sample)) + geom_line(position = position_stack(vjust = 1, reverse = T))
The plot without stacking looks like this:
The plot with stacking looks like this:
So it seems that position_stack sums the data, not shifts them to some constnant value, which is not expected behaviour for geom_line in my opinion. Could you suggest how to make the plots to be just shifted one above the other?
r ggplot2
edited Nov 23 '18 at 17:03
antoine-sac
2,78321442
asked Nov 23 '18 at 16:04
DenisDenis
61
add a comment |
1
I would like to stack several geom_line() plots one above the other. However they appeared with changed data.
Here is an example:
# make 3 data.frame with some random data
x <- seq(5, 15, length = 1000)
data1 <- data.frame(x = x, y = dnorm(x, mean = 10, sd = 3), sample = "1")
data2 <- data.frame(x = x, y = dnorm(x, mean = 7.5, sd = 3), sample = "2")
data3 <- data.frame(x = x, y = dnorm(x, mean = 12.5, sd = 1), sample = "3")
# bind data
data <- bind_rows(data1, data2, data3)
# plot data without stacking
plot.data <- data %>% ggplot(mapping = aes(x = x, y = y, color = sample)) + geom_line()
# plot data with stacking
plot.data <- data %>% ggplot(mapping = aes(x = x, y = y, color = sample)) + geom_line(position = position_stack(vjust = 1, reverse = T))
The plot without stacking looks like this:
The plot with stacking looks like this:
So it seems that position_stack sums the data, not shifts them to some constnant value, which is not expected behaviour for geom_line in my opinion. Could you suggest how to make the plots to be just shifted one above the other?
r ggplot2
edited Nov 23 '18 at 17:03
antoine-sac
2,78321442
asked Nov 23 '18 at 16:04
DenisDenis
61
Is this an acceptable alternative? :)ggplot(data, mapping = aes(x = x, y = y, color=sample)) + geom_line() + facet_wrap(~sample, ncol=1)
– Jonny Phelps
Nov 23 '18 at 16:22
Yeah that is exactly whatposition_stackis supposed to do! It literally stacks the lines on top of each other, more obviously seen when you usegeom_area. I agree with Johnny that facetting is probably what you want!
– Axeman
Nov 23 '18 at 18:48
@JonnyPhelps thanks for your answer, but this is not exactly what I want. Actually I want to compare several spectra and it is easier to do this when they are on the same plot but shifted by some y value, not on different plots with extra space used by ggplot's facet_wrap
– Denis
Nov 26 '18 at 15:39
@Axeman thanks for clarification. Seems that I'm spoiled by Origin software where stacking means shifting graphs by const value, not summing them up :) as far as I understood I need to do this by hand in R
– Denis
Nov 26 '18 at 15:43
You can remove a lot of the space with facet_wrap e.g. stackoverflow.com/questions/32426951/…
– Jonny Phelps
Nov 26 '18 at 16:01
add a comment |
1
1
1
I would like to stack several geom_line() plots one above the other. However they appeared with changed data.
Here is an example:
# make 3 data.frame with some random data
x <- seq(5, 15, length = 1000)
data1 <- data.frame(x = x, y = dnorm(x, mean = 10, sd = 3), sample = "1")
data2 <- data.frame(x = x, y = dnorm(x, mean = 7.5, sd = 3), sample = "2")
data3 <- data.frame(x = x, y = dnorm(x, mean = 12.5, sd = 1), sample = "3")
# bind data
data <- bind_rows(data1, data2, data3)
# plot data without stacking
plot.data <- data %>% ggplot(mapping = aes(x = x, y = y, color = sample)) + geom_line()
# plot data with stacking
plot.data <- data %>% ggplot(mapping = aes(x = x, y = y, color = sample)) + geom_line(position = position_stack(vjust = 1, reverse = T))
The plot without stacking looks like this:
The plot with stacking looks like this:
So it seems that position_stack sums the data, not shifts them to some constnant value, which is not expected behaviour for geom_line in my opinion. Could you suggest how to make the plots to be just shifted one above the other?
r ggplot2
edited Nov 23 '18 at 17:03
antoine-sac
2,78321442
asked Nov 23 '18 at 16:04
DenisDenis
61
I would like to stack several geom_line() plots one above the other. However they appeared with changed data.
Here is an example:
# make 3 data.frame with some random data
x <- seq(5, 15, length = 1000)
data1 <- data.frame(x = x, y = dnorm(x, mean = 10, sd = 3), sample = "1")
data2 <- data.frame(x = x, y = dnorm(x, mean = 7.5, sd = 3), sample = "2")
data3 <- data.frame(x = x, y = dnorm(x, mean = 12.5, sd = 1), sample = "3")
# bind data
data <- bind_rows(data1, data2, data3)
# plot data without stacking
plot.data <- data %>% ggplot(mapping = aes(x = x, y = y, color = sample)) + geom_line()
# plot data with stacking
plot.data <- data %>% ggplot(mapping = aes(x = x, y = y, color = sample)) + geom_line(position = position_stack(vjust = 1, reverse = T))
The plot without stacking looks like this:
The plot with stacking looks like this:
So it seems that position_stack sums the data, not shifts them to some constnant value, which is not expected behaviour for geom_line in my opinion. Could you suggest how to make the plots to be just shifted one above the other?
r ggplot2
r ggplot2
edited Nov 23 '18 at 17:03
antoine-sac
2,78321442
asked Nov 23 '18 at 16:04
DenisDenis
61
edited Nov 23 '18 at 17:03
antoine-sac
2,78321442
asked Nov 23 '18 at 16:04
DenisDenis
61
edited Nov 23 '18 at 17:03
antoine-sac
2,78321442
edited Nov 23 '18 at 17:03
antoine-sac
2,78321442
edited Nov 23 '18 at 17:03
antoine-sac
2,78321442
2,78321442
asked Nov 23 '18 at 16:04
DenisDenis
61
asked Nov 23 '18 at 16:04
DenisDenis
61
asked Nov 23 '18 at 16:04
DenisDenis
61
61
Is this an acceptable alternative? :)ggplot(data, mapping = aes(x = x, y = y, color=sample)) + geom_line() + facet_wrap(~sample, ncol=1)
– Jonny Phelps
Nov 23 '18 at 16:22
Yeah that is exactly whatposition_stackis supposed to do! It literally stacks the lines on top of each other, more obviously seen when you usegeom_area. I agree with Johnny that facetting is probably what you want!
– Axeman
Nov 23 '18 at 18:48
@JonnyPhelps thanks for your answer, but this is not exactly what I want. Actually I want to compare several spectra and it is easier to do this when they are on the same plot but shifted by some y value, not on different plots with extra space used by ggplot's facet_wrap
– Denis
Nov 26 '18 at 15:39
@Axeman thanks for clarification. Seems that I'm spoiled by Origin software where stacking means shifting graphs by const value, not summing them up :) as far as I understood I need to do this by hand in R
– Denis
Nov 26 '18 at 15:43
You can remove a lot of the space with facet_wrap e.g. stackoverflow.com/questions/32426951/…
– Jonny Phelps
Nov 26 '18 at 16:01
add a comment |
Is this an acceptable alternative? :)ggplot(data, mapping = aes(x = x, y = y, color=sample)) + geom_line() + facet_wrap(~sample, ncol=1)
– Jonny Phelps
Nov 23 '18 at 16:22
Yeah that is exactly whatposition_stackis supposed to do! It literally stacks the lines on top of each other, more obviously seen when you usegeom_area. I agree with Johnny that facetting is probably what you want!
– Axeman
Nov 23 '18 at 18:48
@JonnyPhelps thanks for your answer, but this is not exactly what I want. Actually I want to compare several spectra and it is easier to do this when they are on the same plot but shifted by some y value, not on different plots with extra space used by ggplot's facet_wrap
– Denis
Nov 26 '18 at 15:39
@Axeman thanks for clarification. Seems that I'm spoiled by Origin software where stacking means shifting graphs by const value, not summing them up :) as far as I understood I need to do this by hand in R
– Denis
Nov 26 '18 at 15:43
You can remove a lot of the space with facet_wrap e.g. stackoverflow.com/questions/32426951/…
– Jonny Phelps
Nov 26 '18 at 16:01
Is this an acceptable alternative? :)
ggplot(data, mapping = aes(x = x, y = y, color=sample)) + geom_line() + facet_wrap(~sample, ncol=1)– Jonny Phelps
Nov 23 '18 at 16:22
Is this an acceptable alternative? :)
ggplot(data, mapping = aes(x = x, y = y, color=sample)) + geom_line() + facet_wrap(~sample, ncol=1)– Jonny Phelps
Nov 23 '18 at 16:22
Yeah that is exactly what
position_stack is supposed to do! It literally stacks the lines on top of each other, more obviously seen when you use geom_area. I agree with Johnny that facetting is probably what you want!– Axeman
Nov 23 '18 at 18:48
Yeah that is exactly what
position_stack is supposed to do! It literally stacks the lines on top of each other, more obviously seen when you use geom_area. I agree with Johnny that facetting is probably what you want!– Axeman
Nov 23 '18 at 18:48
@JonnyPhelps thanks for your answer, but this is not exactly what I want. Actually I want to compare several spectra and it is easier to do this when they are on the same plot but shifted by some y value, not on different plots with extra space used by ggplot's facet_wrap
– Denis
Nov 26 '18 at 15:39
@JonnyPhelps thanks for your answer, but this is not exactly what I want. Actually I want to compare several spectra and it is easier to do this when they are on the same plot but shifted by some y value, not on different plots with extra space used by ggplot's facet_wrap
– Denis
Nov 26 '18 at 15:39
@Axeman thanks for clarification. Seems that I'm spoiled by Origin software where stacking means shifting graphs by const value, not summing them up :) as far as I understood I need to do this by hand in R
– Denis
Nov 26 '18 at 15:43
@Axeman thanks for clarification. Seems that I'm spoiled by Origin software where stacking means shifting graphs by const value, not summing them up :) as far as I understood I need to do this by hand in R
– Denis
Nov 26 '18 at 15:43
You can remove a lot of the space with facet_wrap e.g. stackoverflow.com/questions/32426951/…
– Jonny Phelps
Nov 26 '18 at 16:01
You can remove a lot of the space with facet_wrap e.g. stackoverflow.com/questions/32426951/…
– Jonny Phelps
Nov 26 '18 at 16:01
add a comment |
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Is this an acceptable alternative? :)
ggplot(data, mapping = aes(x = x, y = y, color=sample)) + geom_line() + facet_wrap(~sample, ncol=1)– Jonny Phelps
Nov 23 '18 at 16:22
Yeah that is exactly what
position_stackis supposed to do! It literally stacks the lines on top of each other, more obviously seen when you usegeom_area. I agree with Johnny that facetting is probably what you want!– Axeman
Nov 23 '18 at 18:48
@JonnyPhelps thanks for your answer, but this is not exactly what I want. Actually I want to compare several spectra and it is easier to do this when they are on the same plot but shifted by some y value, not on different plots with extra space used by ggplot's facet_wrap
– Denis
Nov 26 '18 at 15:39
@Axeman thanks for clarification. Seems that I'm spoiled by Origin software where stacking means shifting graphs by const value, not summing them up :) as far as I understood I need to do this by hand in R
– Denis
Nov 26 '18 at 15:43
You can remove a lot of the space with facet_wrap e.g. stackoverflow.com/questions/32426951/…
– Jonny Phelps
Nov 26 '18 at 16:01