In skranz/RTutor: Interactive R problem sets with automatic testing of solutions and automatic hints

Problemset Fill In Example

Note: Always save your solution files with UTF-8 Encoding!

Adapt the working directory below and run the setup chunk in RStudio. This creates the problem set files and the sample solution from this solution file.

< ignore

library(RTutor)
#setwd("D:/libraries/RTutor/RTutor/inst/examples")
ps.name = "fill_in"; sol.file = paste0(ps.name,"_sol.Rmd")
# character vector of all packages you load in the problem set
libs = c("ggplot2") 
create.ps(sol.file=sol.file, ps.name=ps.name,libs=libs, rps.has.sol=TRUE, addons="quiz")

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Exercise 1 -- Fill in the placeholders

a)

#< task
x = c(1,NA,5)
#>
#< fill_in
# # Compute the mean ignoring NA
# mean(x,___)
#>
mean(x, na.rm = TRUE) 

< award "You did it"

Great you solved the test!

>

skranz/RTutor documentation built on Feb. 7, 2024, 12:53 a.m.