Using ```r
# This is a comment
a <- 1:3
b <- c("a", "b", "c")
data.frame(a, b)Using ```{r}
# This is a comment
a <- 1:3
b <- c("a", "b", "c")
data.frame(a, b)Using ```rsplus
# This is a comment
a <- 1:3
b <- c("a", "b", "c")
data.frame(a, b)
Using ```S
# This is a comment
a <- 1:3
b <- c("a", "b", "c")
data.frame(a, b)Using ```coffee
# This is a comment
a <- 1:3
b <- c("a", "b", "c")
data.frame(a, b)