如何使用 geom_area 作图?

how to graph using geom_area?

有谁知道为什么我的数据没有图形化?

data_frame

univ_apps
----------------------------
timeappreceived chr May_12_2002, March_4_2002
bs_ms_phd factor  1 for bs 2 for ms 3 for phd
appid  int   rn89 qw23 et43 

sample data
--------------
timeappreceived   bs_ms_phd   appid

Sept_2_1989          1          rn89
Sept_2_1989          2          dq11
Oct_1_2011           1          bg32

等等

univdata = ggplot(univ_apps, 
   aes(x= yearappreceived, y= appid, fill=as.factor(bs_ms_phd))) +      
geom_area(position="stack")

我是否遗漏了图表命令中的某些内容?

如您所示的数据框,"timeappreceived" 是 chr。我猜 "yearappreceived" 的数据类型与 "timeappreceived" 相同。您应该将其转换为数字。试试下面的代码。

univdata = ggplot(univ_apps, aes(x= as.integer(yearappreceived),
        y= appid, fill=as.factor(bs_ms_phd))) + geom_area(position="stack"); univdata

顺便说一句,如果appid不是数字,你也应该转换它们。但是appid是整数,不是吗?