data frame function in r code example

Example 1: simple data frame in R

// in RStudio
 dat <- data.frame(
 SSN = c(204,401,101,666,777), 
 Name=c("Blossum","Buttercup","Bubbles","MojoJojo","Professor"), 
 Age = c(7,8,6,43,56), 
 Gender = c(0,0,0,1,1)
 )

Example 2: how to apply a function to a dataframe in r

x = apply(df, MARGIN = 2, FUN = mean)