Specifying the color of confidence interval bands in ggplot
I am using the following ggplot command to plot a graph showing the variation of the mean of a certain variable (aud.pc.mn) over time. The color of the line is give by the variable region.
ggplot(df, aes(x = mon.in.yr, y = aud.pc.mn, color = region)) +
geom_line(size = 1) +
scale_x_continuous(breaks = c(1:12,1)) +
facet_grid(. ~ avg.sh.aud.by.reg.month$year)
However, now I want to add confidence interval ribbons around each line but I want these bands to be a slightly lighter shade than the line, so that the line is also visible. For instance, if the line is red, I want the confidence band to be in pink.
If I add fill = region in the call to geom_ribbon(), like this:
ggplot(df, aes(x = mon.in.yr, y = aud.pc.mn, color = region)) +
geom_line(size = 1) +
geom_ribbon(aes(ymin = df$CI.lower, ymax = df$CI.upper, fill = region)) +
scale_x_continuous(breaks = c(1:12,1)) +
facet_grid(. ~ avg.sh.aud.by.reg.month$year)
I get bands with the exact same color as the lines like this (and it looks really ugly):
How may I get the bands to be of a different shade than the lines?
r ggplot2 confidence-interval
asked Nov 19 at 21:41
wrahool
50311035
|
show 2 more comments
I am using the following ggplot command to plot a graph showing the variation of the mean of a certain variable (aud.pc.mn) over time. The color of the line is give by the variable region.
ggplot(df, aes(x = mon.in.yr, y = aud.pc.mn, color = region)) +
geom_line(size = 1) +
scale_x_continuous(breaks = c(1:12,1)) +
facet_grid(. ~ avg.sh.aud.by.reg.month$year)
However, now I want to add confidence interval ribbons around each line but I want these bands to be a slightly lighter shade than the line, so that the line is also visible. For instance, if the line is red, I want the confidence band to be in pink.
If I add fill = region in the call to geom_ribbon(), like this:
ggplot(df, aes(x = mon.in.yr, y = aud.pc.mn, color = region)) +
geom_line(size = 1) +
geom_ribbon(aes(ymin = df$CI.lower, ymax = df$CI.upper, fill = region)) +
scale_x_continuous(breaks = c(1:12,1)) +
facet_grid(. ~ avg.sh.aud.by.reg.month$year)
I get bands with the exact same color as the lines like this (and it looks really ugly):
How may I get the bands to be of a different shade than the lines?
r ggplot2 confidence-interval
asked Nov 19 at 21:41
wrahool
50311035
4
Trygeom_ribbon(aes(ymin = CI.lower, ymax = CI.upper, fill = region), alpha=.2)to make them slightly transparent
– MrFlick
Nov 19 at 21:42
1
Usealphato add transparency to the ribbons. The value should be between 0 and 1, where 1 is totally opaque.
– aosmith
Nov 19 at 21:42
thanks @MrFlick. Is there anyone I can remove the edges of the bands from becoming the color of the line itself?
– wrahool
Nov 19 at 21:46
1
You can move theaes(color=)from theggplot()call to thegeom_line()since you don’t want it to affect the ribbon.
– MrFlick
Nov 19 at 21:52
@MrFlick it tells meError: Cannot add ggproto objects together. Did you forget to add this object to a ggplot object?
– wrahool
Nov 19 at 22:34
|
show 2 more comments
I am using the following ggplot command to plot a graph showing the variation of the mean of a certain variable (aud.pc.mn) over time. The color of the line is give by the variable region.
ggplot(df, aes(x = mon.in.yr, y = aud.pc.mn, color = region)) +
geom_line(size = 1) +
scale_x_continuous(breaks = c(1:12,1)) +
facet_grid(. ~ avg.sh.aud.by.reg.month$year)
However, now I want to add confidence interval ribbons around each line but I want these bands to be a slightly lighter shade than the line, so that the line is also visible. For instance, if the line is red, I want the confidence band to be in pink.
If I add fill = region in the call to geom_ribbon(), like this:
ggplot(df, aes(x = mon.in.yr, y = aud.pc.mn, color = region)) +
geom_line(size = 1) +
geom_ribbon(aes(ymin = df$CI.lower, ymax = df$CI.upper, fill = region)) +
scale_x_continuous(breaks = c(1:12,1)) +
facet_grid(. ~ avg.sh.aud.by.reg.month$year)
I get bands with the exact same color as the lines like this (and it looks really ugly):
How may I get the bands to be of a different shade than the lines?
r ggplot2 confidence-interval
asked Nov 19 at 21:41
wrahool
50311035
I am using the following ggplot command to plot a graph showing the variation of the mean of a certain variable (aud.pc.mn) over time. The color of the line is give by the variable region.
ggplot(df, aes(x = mon.in.yr, y = aud.pc.mn, color = region)) +
geom_line(size = 1) +
scale_x_continuous(breaks = c(1:12,1)) +
facet_grid(. ~ avg.sh.aud.by.reg.month$year)
However, now I want to add confidence interval ribbons around each line but I want these bands to be a slightly lighter shade than the line, so that the line is also visible. For instance, if the line is red, I want the confidence band to be in pink.
If I add fill = region in the call to geom_ribbon(), like this:
ggplot(df, aes(x = mon.in.yr, y = aud.pc.mn, color = region)) +
geom_line(size = 1) +
geom_ribbon(aes(ymin = df$CI.lower, ymax = df$CI.upper, fill = region)) +
scale_x_continuous(breaks = c(1:12,1)) +
facet_grid(. ~ avg.sh.aud.by.reg.month$year)
I get bands with the exact same color as the lines like this (and it looks really ugly):
How may I get the bands to be of a different shade than the lines?
r ggplot2 confidence-interval
r ggplot2 confidence-interval
asked Nov 19 at 21:41
wrahool
50311035
asked Nov 19 at 21:41
wrahool
50311035
asked Nov 19 at 21:41
wrahool
50311035
asked Nov 19 at 21:41
wrahool
50311035
asked Nov 19 at 21:41
wrahool
50311035
50311035
4
Trygeom_ribbon(aes(ymin = CI.lower, ymax = CI.upper, fill = region), alpha=.2)to make them slightly transparent
– MrFlick
Nov 19 at 21:42
1
Usealphato add transparency to the ribbons. The value should be between 0 and 1, where 1 is totally opaque.
– aosmith
Nov 19 at 21:42
thanks @MrFlick. Is there anyone I can remove the edges of the bands from becoming the color of the line itself?
– wrahool
Nov 19 at 21:46
1
You can move theaes(color=)from theggplot()call to thegeom_line()since you don’t want it to affect the ribbon.
– MrFlick
Nov 19 at 21:52
@MrFlick it tells meError: Cannot add ggproto objects together. Did you forget to add this object to a ggplot object?
– wrahool
Nov 19 at 22:34
|
show 2 more comments
4
Trygeom_ribbon(aes(ymin = CI.lower, ymax = CI.upper, fill = region), alpha=.2)to make them slightly transparent
– MrFlick
Nov 19 at 21:42
1
Usealphato add transparency to the ribbons. The value should be between 0 and 1, where 1 is totally opaque.
– aosmith
Nov 19 at 21:42
thanks @MrFlick. Is there anyone I can remove the edges of the bands from becoming the color of the line itself?
– wrahool
Nov 19 at 21:46
1
You can move theaes(color=)from theggplot()call to thegeom_line()since you don’t want it to affect the ribbon.
– MrFlick
Nov 19 at 21:52
@MrFlick it tells meError: Cannot add ggproto objects together. Did you forget to add this object to a ggplot object?
– wrahool
Nov 19 at 22:34
4
4
Try
geom_ribbon(aes(ymin = CI.lower, ymax = CI.upper, fill = region), alpha=.2) to make them slightly transparent– MrFlick
Nov 19 at 21:42
Try
geom_ribbon(aes(ymin = CI.lower, ymax = CI.upper, fill = region), alpha=.2) to make them slightly transparent– MrFlick
Nov 19 at 21:42
1
1
Use
alpha to add transparency to the ribbons. The value should be between 0 and 1, where 1 is totally opaque.– aosmith
Nov 19 at 21:42
Use
alpha to add transparency to the ribbons. The value should be between 0 and 1, where 1 is totally opaque.– aosmith
Nov 19 at 21:42
thanks @MrFlick. Is there anyone I can remove the edges of the bands from becoming the color of the line itself?
– wrahool
Nov 19 at 21:46
thanks @MrFlick. Is there anyone I can remove the edges of the bands from becoming the color of the line itself?
– wrahool
Nov 19 at 21:46
1
1
You can move the
aes(color=) from the ggplot() call to the geom_line() since you don’t want it to affect the ribbon.– MrFlick
Nov 19 at 21:52
You can move the
aes(color=) from the ggplot() call to the geom_line() since you don’t want it to affect the ribbon.– MrFlick
Nov 19 at 21:52
@MrFlick it tells me
Error: Cannot add ggproto objects together. Did you forget to add this object to a ggplot object?– wrahool
Nov 19 at 22:34
@MrFlick it tells me
Error: Cannot add ggproto objects together. Did you forget to add this object to a ggplot object?– wrahool
Nov 19 at 22:34
|
show 2 more comments
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4
Try
geom_ribbon(aes(ymin = CI.lower, ymax = CI.upper, fill = region), alpha=.2)to make them slightly transparent– MrFlick
Nov 19 at 21:42
1
Use
alphato add transparency to the ribbons. The value should be between 0 and 1, where 1 is totally opaque.– aosmith
Nov 19 at 21:42
thanks @MrFlick. Is there anyone I can remove the edges of the bands from becoming the color of the line itself?
– wrahool
Nov 19 at 21:46
1
You can move the
aes(color=)from theggplot()call to thegeom_line()since you don’t want it to affect the ribbon.– MrFlick
Nov 19 at 21:52
@MrFlick it tells me
Error: Cannot add ggproto objects together. Did you forget to add this object to a ggplot object?– wrahool
Nov 19 at 22:34