Hi:
Try this:
df<-data.frame(x=1:10,y=1:10)
plot.fun.one <- function(dff, x.var, y.var)
print(ggplot(dff, aes_string(x = x.var, y = y.var)) + geom_point() )
plot.fun.two <- function(dff, x.var, y.var) {
x <- names(dff)[x.var]
y <- names(dff)[y.var]
print(ggplot(dff, aes_string(x = x,
Whats going on here?
df<-data.frame(x=1:10,y=1:10)
ggplot()+geom_point(data=df,aes(x=x,y=y)) ## this is the normal usage
right?
ggplot()+geom_point(data=df,aes(x=df[,1],y=df[,2])) ## but I can also feed
it column indices
ggplot()+geom_point(aes(x=df[,'x'],y=df[,'y'])) ## or column names.
##
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