R 我想将其他数据点添加到此绘图
我有以下数据:R 我想将其他数据点添加到此绘图,r,ggplot2,R,Ggplot2,我有以下数据: d <- data.frame(date=as.Date(c("1971-09-01", "1991-12-01", "1994-12-01", "2000-01-01", "2002-08-01", "2005-08-01")), event=c("birth", "entered college", "BS",
d <- data.frame(date=as.Date(c("1971-09-01", "1991-12-01", "1994-12-01",
"2000-01-01", "2002-08-01", "2005-08-01")),
event=c("birth", "entered college", "BS",
"entered grad school", "MS", "PhD"),
big_events=c(" ", "first bf", "married",
" ", " ", "kids"))
ggplot() +
scale_x_date(limits=as.Date(c("1970-1-1", "2010-12-31"))) +
scale_y_continuous(name="", breaks=NULL, limits=c(0,1)) +
geom_vline(data=d, mapping=aes(xintercept=as.numeric(date)),
color="blue") +
geom_text(data=d, mapping=aes(x=date, y=0, label=event), size=4,
angle=90, vjust=-0.4, hjust=0)
d添加geom\u点
:
d <- data.frame(date=as.Date(c("1971-09-01", "1991-12-01", "1994-12-01",
"2000-01-01", "2002-08-01", "2005-08-01")),
event=c("birth", "entered college", "BS",
"entered grad school", "MS", "PhD"),
big_events=c(" ", "first bf", "married", " ",
" ", "kids"))
# Some random dates and heights on the y-axis
b <- data.frame(date=as.Date(c("1972-09-01", "1992-12-01", "1992-12-01",
"2004-01-01", "2003-08-01", "2002-08-01")),
height=c(0.6, 0.8, 0.3, 0.2, 0.1, 0.4))
ggplot() +
scale_x_date(limits=as.Date(c("1970-1-1", "2010-12-31"))) +
scale_y_continuous(name="", breaks=NULL, limits=c(0,1)) +
geom_vline(data=d, mapping=aes(xintercept=as.numeric(date)),
color="blue") +
geom_text(data=d, mapping=aes(x=date, y=0, label=event), size=4,
angle=90, vjust=-0.4, hjust=0) +
# Add this line with your new data and specify the x,y data
geom_point(data=b, aes(x=date, y=height))
d您已将y范围定义为0-1。只需在y轴上添加您希望将点添加到数据的点,然后添加geom_点。考虑到你在大型活动中只想要点,这就可以了:
d=data.frame(date=as.Date(c("1971-09-01", "1991-12-01", "1994-12-01",
"2000-01-01", "2002-08-01", "2005-08-01")),
event=c("birth", "entered college", "BS", "entered grad school", "MS",
"PhD"),
big_events=c(" ", "first bf", "married", " ", " ",
"kids"),
y_dot = .5)
ggplot() +
scale_x_date(limits=as.Date(c("1970-1-1", "2010-12-31"))) +
scale_y_continuous(name="", breaks=NULL, limits=c(0,1)) +
geom_vline(data=d, mapping=aes(xintercept=as.numeric(date)),
color="blue") +
geom_text(data=d, mapping=aes(x=date, y=0, label=event), size=4,
angle=90, vjust=-0.4, hjust=0) +
geom_point(data = d[d$big_events != ' ', ], aes(y = y_dot, x = date))
在绘图中需要什么类型的数据需要定义y轴才能绘制点。我可以使用.factor(大事件)来定义y轴吗?