> Dear all,

> I am plotting paths for seven subgroup (g). I specify color=g, so they will
> have different colors. Next I want to enhance one of them by choosing
> different size for one of seven subgroups, I then create a manual scale for
> size according to g==1.

> In the plot, I will have both legends for color and size. My question is if
> there is a way that I can manually condense those two legends into one. (six
> lines with the regular size and different colors and one more line with
> enhanced size and another color)

> Thanks,
> Peng

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> list.
> Please provide a reproducible example:
> https://github.com/hadley/devtools/wiki/Reproducibility

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> More options: http://groups.google.com/group/ggplot2

> Could you please provide a reproducible example:
> https://github.com/hadley/devtools/wiki/Reproducibility

> 2012/9/19 Peng Zhang <pczh...@gmail.com>:
>> Dear all,

>> I am plotting paths for seven subgroup (g). I specify color=g, so they will
>> have different colors. Next I want to enhance one of them by choosing
>> different size for one of seven subgroups, I then create a manual scale for
>> size according to g==1.

>> In the plot, I will have both legends for color and size. My question is if
>> there is a way that I can manually condense those two legends into one. (six
>> lines with the regular size and different colors and one more line with
>> enhanced size and another color)

>> Thanks,
>> Peng

>> --
>> You received this message because you are subscribed to the ggplot2 mailing
>> list.
>> Please provide a reproducible example:
>> https://github.com/hadley/devtools/wiki/Reproducibility

>> To post: email ggplot2@googlegroups.com
>> To unsubscribe: email ggplot2+unsubscribe@googlegroups.com
>> More options: http://groups.google.com/group/ggplot2

> x = 1:9
> a = rep(x, 3)
> b = c(x, x^2, x^3)
> col = c(rep("Linear", 9), rep("Quadratic", 9), rep("Cubic", 9))
> size = c(rep("Linear", 9), rep("Non-Linear", 18))

> d = data.frame(a, b, col, size)
> library(ggplot2)
> ggplot(data = d, aes(a, b, color = col, size = size)) + geom_path() +
> labs(color = "", size = "")

> you can suppress to show guide by

> ggplot(data = d, aes(a, b, color = col, size = size)) + geom_path() +
> labs(color = "", size = "") + guides(size = "none")

> 2012/9/27 Peng Zhang <pczh...@gmail.com>:
>> x = 1:9
>> a = rep(x, 3)
>> b = c(x, x^2, x^3)
>> col = c(rep("Linear", 9), rep("Quadratic", 9), rep("Cubic", 9))
>> size = c(rep("Linear", 9), rep("Non-Linear", 18))

>> d = data.frame(a, b, col, size)
>> library(ggplot2)
>> ggplot(data = d, aes(a, b, color = col, size = size)) + geom_path() +
>> labs(color = "", size = "")

> Thanks. I kind of still want size, but to show it together with color. (by
> changing the size of line in the color legend)

> Best,
> Peng

> On 09/26/2012 09:58 PM, Kohske Takahashi wrote:

>> you can suppress to show guide by

>> ggplot(data = d, aes(a, b, color = col, size = size)) + geom_path() +
>> labs(color = "", size = "") + guides(size = "none")

>> 2012/9/27 Peng Zhang <pczh...@gmail.com>:

>>> x = 1:9
>>> a = rep(x, 3)
>>> b = c(x, x^2, x^3)
>>> col = c(rep("Linear", 9), rep("Quadratic", 9), rep("Cubic", 9))
>>> size = c(rep("Linear", 9), rep("Non-Linear", 18))

>>> d = data.frame(a, b, col, size)
>>> library(ggplot2)
>>> ggplot(data = d, aes(a, b, color = col, size = size)) + geom_path() +
>>> labs(color = "", size = "")

> then try this:

> x = 1:9
> a = rep(x, 3)
> b = c(x, x^2, x^3)
> col = c(rep("Linear", 9), rep("Quadratic", 9), rep("Cubic", 9))

> d = data.frame(a, b, col)
> d$col <- factor(d$col, levels = c("Linear", "Quadratic", "Cubic"))
> library(ggplot2)
> ggplot(data = d, aes(a, b, color = col, size = col)) + geom_path() +
> scale_size_manual(labels = levels(d$col), values = c(1, 6, 6))

> 2012/9/27 Peng Zhang <pczh...@gmail.com>:
>> Thanks. I kind of still want size, but to show it together with color. (by
>> changing the size of line in the color legend)

>> Best,
>> Peng

>> On 09/26/2012 09:58 PM, Kohske Takahashi wrote:
>>> you can suppress to show guide by

>>> ggplot(data = d, aes(a, b, color = col, size = size)) + geom_path() +
>>> labs(color = "", size = "") + guides(size = "none")

>>> 2012/9/27 Peng Zhang <pczh...@gmail.com>:
>>>> x = 1:9
>>>> a = rep(x, 3)
>>>> b = c(x, x^2, x^3)
>>>> col = c(rep("Linear", 9), rep("Quadratic", 9), rep("Cubic", 9))
>>>> size = c(rep("Linear", 9), rep("Non-Linear", 18))

>>>> d = data.frame(a, b, col, size)
>>>> library(ggplot2)
>>>> ggplot(data = d, aes(a, b, color = col, size = size)) + geom_path() +
>>>> labs(color = "", size = "")