由于这里所述的问题,我有一个数据结构。
码:
df <- tibble::tribble(~person, ~age, ~height,
"John", 1, 20,
"Mike", 3, 50,
"Maria", 3, 52,
"Elena", 6, 90,
"Biden", 9, 120)
df %>%
mutate(
age_c = cut(
age,
breaks = c(-Inf, 5, 10),
labels = c("0-5", "5-10"),
right = TRUE
),
height_c = cut(
height,
breaks = c(-Inf, 50, 100, 200),
labels = c("0-50", "50-100", "100-200"),
right = TRUE
)
) %>%
count(age_c, height_c, .drop = FALSE)
# A tibble: 6 x 3
age_c height_c n
<fct> <fct> <int>
1 0-5 0-50 2
2 0-5 50-100 1
3 0-5 100-200 0
4 5-10 0-50 0
5 5-10 50-100 1
6 5-10 100-200 1
现在,我正在尝试创建散点图,但是我有一个问题,似乎代码没有注意到X和Y轴上的值正在重复。相反,它在重复它们。因此,我希望我的x轴具有两个值0-5和5-10(我得到的是0-5,0-5,0-5,5-10,5-10,5-10),和y轴三个值0-50、50-100和100-200(相反,我有两个值)。
我用来绘制的代码:
ggplot(df, aes(x=age_c, y=height_c))
如果您绘制计数data.frame,它应该可以工作:
countdf = df %>%
mutate(
age_c = cut(
age,
breaks = c(-Inf, 5, 10),
labels = c("0-5", "5-10"),
right = TRUE
),
height_c = cut(
height,
breaks = c(-Inf, 50, 100, 200),
labels = c("0-50", "50-100", "100-200"),
right = TRUE
)
) %>%
count(age_c, height_c, .drop = FALSE)
countdf %>%
filter(n>0) %>%
ggplot(aes(x=age_c,y=height_c,size=n)) +
geom_point() +
scale_size_continuous(range=c(5,10),breaks=c(1,2))
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