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[英]ggplot2: Multiple density plots not matching parent histogram distribution
[英]Having trouble aligning histogram and density plots in ggplot2 with cowplot
只有精簡后的密度 plot 出現在 output 中:
library(ggplot2)
library(cowplot)
raises <- attitude$raises
df <- data.frame(raises)
ph <- ggplot(df, aes(x = raises)) +
geom_histogram(binwidth = 1, color = "black", fill = "light grey") +
scale_x_continuous(breaks = seq(40, 90, by = 10)) +
ylim(0,3) +
theme_classic()
pd <- ggplot(df, aes(x = raises)) +
geom_density() +
scale_x_continuous(breaks = seq(40, 90, by = 10)) +
scale_y_continuous(expand = expansion(mult = c(0, 0.1)), position = "right") +
theme_classic() +
theme(axis.line.x = element_blank(),
axis.title.x = element_blank(),
axis.text.x = element_blank(),
axis.ticks.x = element_blank())
alpl <- align_plots(ph, pd, align = "hv", axis = "tblr")
ggdraw(alpl[[1]]) + draw_plot(alpl[[2]])
我想疊加它們,這樣你就可以看到頻率和密度的直方圖。
您的密度 plot 中有不透明的 plot 背景和面板背景,您需要在theme
中將其刪除。 顯然,我沒有你的數據,但下面的代碼給了你這個想法:
library(ggplot2)
library(cowplot)
set.seed(1)
df <- data.frame(raises = c(rnorm(100, 65, 10)))
ph <- ggplot(df, aes(x = raises)) +
geom_histogram(binwidth = 1, color = "black", fill = "light grey") +
scale_x_continuous(breaks = seq(40, 90, by = 10), limits = c(40, 90)) +
ylim(0,3) +
theme_classic()
pd <- ggplot(df, aes(x = raises)) +
geom_density() +
scale_x_continuous(breaks = seq(40, 90, by = 10), limits = c(40, 90)) +
scale_y_continuous(expand = expansion(mult = c(0, 0.1)), position = "right") +
theme_classic() +
theme(axis.line.x = element_blank(),
axis.title.x = element_blank(),
axis.text.x = element_blank(),
axis.ticks.x = element_blank(),
plot.background = element_blank(),
panel.background = element_blank())
alpl <- align_plots(ph, pd, align = "hv", axis = "tblr")
ggdraw(alpl[[1]]) + draw_plot(alpl[[2]])
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