如何阻止R按字母顺序排列？[duplicate]

ar7v8xwq 于 2023-01-18 发布在其他

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How can I order the months chronologically in ggplot2 short of writing the months out?（1个答案）
13小时前关门了。
我试着做一个月度条形图，但是它总是把四月作为第一个月，而不是一月。有什么方法可以解决这个问题，使它在正确的顺序？

Number <- c(41,23,22,16,21,10,10,13,20,12,15,16,18,20,18,92,81,72,73,47,57,12,23,12,12,23,34,54,32,5,65,44,55,66,55,44)
 
Year <- c("2018","2018","2018","2018","2018","2018","2018","2018","2018","2018","2018","2018","2019","2019","2019","2019","2019","2019","2019","2019","2019","2019","2019","2019","2020","2020","2020","2020","2020","2020","2020","2020","2020","2020","2020","2020")
 
Month <- c("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec")
 
library(ggplot2)
adultmonthly <- data.frame(Number,Year,Month)

ggplot(adultmonthly, aes(Year, Number, fill = Month)) +
  geom_bar(colour = "black", stat="identity", position = "dodge") +
  labs(title="Frequency of children affected")

r

来源：https://stackoverflow.com/questions/75150771/how-to-stop-r-from-alphabetizing

1条答案

按热度按时间

llycmphe1#

你必须将变量Month转换为factor，转换的顺序是你想要的，在你的例子中，使用基常量month.abb是非常容易的：

library(ggplot2)

adultmonthly <- data.frame(Number, Year, Month)

adultmonthly$Month <- factor(adultmonthly$Month, levels = month.abb)

ggplot(adultmonthly, aes(Year, Number, fill = Month)) +
  geom_bar(colour = "black", stat = "identity", position = "dodge") +
  labs(title = "Frequency of children affected")

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如何阻止R按字母顺序排列？[duplicate]

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