英文:
Make one ecdf that is colored by group
问题
我想要一个以颜色填充的单一经验累积密度函数（ECDF）。我可以按组对ECDF进行着色，但每个组有不同的ECDF。我如何制作一个以组为基础着色的单一ECDF，而不是为每个组创建单独的ECDF？
库（ggplot2）
库（dplyr）
钻石 %>%
切片样本（比例=0.01） %>%
ggplot（aes（x = price，fill = cut））+
stat_ecdf（geom = 'point'，pad = F，shape = 21）
下面有单独的price每个cut的ECDF。我希望所有的price都在一个ECDF中，并且点的颜色由cut填充。
英文:
I would like a single empirical cumulative density function (ECDF) that is color filled by a group. I can color the ECDF by group but there are different ECDFs for each group. How can I make a single ECDF that is colored by group, rather than having a seperate ECDF for each group?
library(ggplot2)
library(dplyr)
diamonds %>%
slice_sample(prop = 0.01) %>%
ggplot(aes(x = price, fill = cut)) +
stat_ecdf(geom = 'point', pad = F, shape = 21)
Below has separate price ECDFs for each cut. I would like for all of the price to be in one ECDF with the color of the point filled by cut.
答案1
得分: 1
以下是您要翻译的内容：
您可以轻松计算整个数据集上的 ecdf，然后为每个 cut 绘制具有不同颜色的图表。
library(tidyverse)
diamonds %>%
slice_sample(prop = 0.01) %>%
mutate(ecdf_price = ecdf(price)(price)) %>%
ggplot(aes(x = price, y = ecdf_price, fill = cut)) +
geom_point(shape = 21)
创建于2023-06-05，使用 reprex v2.0.2
英文:
You can easily calculate the ecdf on the whole dataset and then plot that with colors for each cut.
library(tidyverse)
diamonds %>%
slice_sample(prop = 0.01) %>%
mutate(ecdf_price = ecdf(price)(price)) %>%
ggplot(aes(x = price, y = ecdf_price, fill = cut)) +
geom_point(shape = 21)
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<sup>Created on 2023-06-05 with reprex v2.0.2</sup>
答案2
得分: 1
你可以在映射内直接应用所需的函数（ecdf）：
diamonds |>
slice_sample(prop = 0.01) %>%
ggplot(aes(x = price, fill = cut)) +
geom_point(aes(y = ecdf(price)(price)), shape = 21)
英文:
You can apply the desired function (ecdf) right within the mapping:
diamonds |>
slice_sample(prop = 0.01) %>%
ggplot(aes(x = price, fill = cut)) +
geom_point(aes(y = ecdf(price)(price)), shape = 21)
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