gistfile1.txt

dat <- data.frame(a=c(01,2,3,4,2),b=c(4,3,6,5,4))

ggplot()+geom_point(data=dat, aes(x=a, y=b))+ylab(paste0("\u03B4", ^13, "C", "\u2030"))

# I need this to be the delta symbol a super script 13, a Captal C and the per mil symbol

�ggplot()+geom_point(data=dat, aes(x=a, y=b))+
labs(y = expression(paste(delta^{13}, "C", "\u2030")))