相关疑难解决方法(0)

我想在地图上独立移动两个传说以节省保存并使演示更好.

这是数据:

##              INST..SUB.TYPE.DESCRIPTION Enrollment      lat       lng
## 1                        CHARTER SCHOOL        274 42.66439 -73.76993
## 2                 PUBLIC SCHOOL CENTRAL        525 42.62502 -74.13756
## 3     PUBLIC SCHOOL CENTRAL HIGH SCHOOL         NA 40.67473 -73.69987
## 4                    PUBLIC SCHOOL CITY        328 42.68278 -73.80083
## 5            PUBLIC SCHOOL CITY CENTRAL        288 42.15746 -78.74158
## 6                  PUBLIC SCHOOL COMMON         NA 43.73225 -74.73682
## 7     PUBLIC SCHOOL INDEPENDENT CENTRAL        284 42.60522 -73.87008
## 8  PUBLIC SCHOOL INDEPENDENT UNION FREE        337 42.74593 -73.69018
## 9             PUBLIC SCHOOL …

在base图形中,我们可以通过使用axis和side参数轻松地在图的不同侧面添加刻度标记:

par(tck = 0.025)
plot(1:10)
axis(side = 3, labels = FALSE)
axis(side = 4, labels = FALSE)

如何在顶部和右侧镜像x和y轴刻度ggplot2？有annotation_logticks可以做到这一点,但似乎只适用于对数标度(因为函数的名称适用).对于线性刻度,是否有类似的简单方法？