Intro webR Quiz

Exercise 1

Calculate the mean of these numbers

mean(1:10)

mean(1:10)

Exercise 2

Replace with the text area_name

select(linelist, area_name)

select(linelist, area_name)

Exercise 3

Replace with the select function to select the column area_name.

select(linelist, area_name)

select(linelist, area_name)

Run any code

ojs

foo = 123;

bar

When you change this it affects things above it!

We can also do interactive stuff!

viewof colour = Inputs.select(
  [ 'orangered', 'forestgreen', 'cornflowerblue' ],
  { label: 'Colour' }
);
draw_hist(colour);

naquiz Example

Bill Gates was the founder of:

✗Apple

✓Microsoft

✗Facebook

✗Google