我做了这个分析并制作了一个图表,但图表的名称在左侧,如何将它放在中间?
qplot(data=d2, dist, xlab="Length of brake path (m)", ylab="Number of vehicles", main="Data from 1920")
解决办法:可以做
qplot(
data = mtcars,
as.factor(gear),
xlab = "Number of cylinders",
ylab = "Number of vehicles",
main = "Data from mtcars") +
theme(plot.title = element_text(hjust = 0.5))