[英]Reorder Bars of a Stacked Barchart in R
我發誓我在這里查看了很多問題,試圖找到這個答案,但一直沒能找到它(包括這里、 這里、 這里、 這里,還有更多我現在無法回去找到的問題)。
我認為這是一個非常簡單的問題,但它讓我發瘋。 我有一個數據集
data1 <- structure(list(
Identity = c("Red", "Orange", "Yellow", "Green", "Blue", "Red", "Orange", "Yellow", "Green", "Blue", "Red", "Orange", "Yellow", "Green", "Blue"),
FavorableLevel = c("Medium", "Medium", "Medium", "Medium", "Medium", "Low", "Low", "Low", "Low", "Low", "High", "High", "High", "High", "High"),
Value = c(.42, .21, .49, .51, .55, .39, .67, .04, .22, .19, .18, .11, .45, .27, .28)),
.Names = c("Identity", "FavorableLevel", "Value"),
row.names = c(NA, -15L),
class = c("tbl_df", "tbl", "data.frame"))
我正在嘗試制作堆積條形圖,但我希望條形按“高”好感度的值排序。 我可以創建這個圖表:
使用此代碼(顯然標簽等需要清理):
ggplot(data1,
aes(fill=factor(FavorableLevel, levels = c("Low","Medium","High")),
y=Value,
x=Identity)) +
geom_bar(position="fill", stat="identity")
但是如何重新排序條形圖,以便它們按“高”值升序排序? 我已經以幾種不同的方式嘗試了 fct_reorder,但我可能用錯了。 我還嘗試了上面鏈接的其他各個地方的答案,但還沒有找到我。
一種選擇是通過幫助器Value
“列” reorder
您的Identity
列,您將非High
類別的值設置為零並使用FUN=sum
:
data1$Identity <- reorder(data1$Identity, ifelse(!data1$FavorableLevel %in% "High", 0, data1$Value), FUN = sum)
library(ggplot2)
ggplot(
data1,
aes(
fill = factor(FavorableLevel, levels = c("Low", "Medium", "High")),
y = Value,
x = Identity,
)
) +
geom_bar(position = "fill", stat = "identity")
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