Skip to content

The challenges' numbering was updated #171

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jun 24, 2025
Merged

The challenges' numbering was updated #171

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 5 additions & 5 deletions episodes/03-data-structures-part1.Rmd
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -373,7 +373,7 @@ class(categories)

::::::::::::::::::::::::::::::::::::::: challenge

## Challenge
## Challenge 3

Can you guess why these numbers are used to represent these countries?

Expand All @@ -389,7 +389,7 @@ They are sorted in alphabetical order

::::::::::::::::::::::::::::::::::::::: challenge

## Challenge 3
## Challenge 4

Convert the `country` column of our `nordic` data frame to a factor. Then try
converting it back to a character vector.
Expand All @@ -402,7 +402,7 @@ Remember that you can reload the `nordic` data frame using

::::::::::::::: solution

## Solution to Challenge 3
## Solution to Challenge 4

Converting character vectors to factors can be done using the `factor()`
function:
Expand Down Expand Up @@ -508,7 +508,7 @@ str(nordic[1, ])

::::::::::::::::::::::::::::::::::::::: challenge

## Challenge 4
## Challenge 5

There are several subtly different ways to call variables, observations and
elements from data frames:
Expand All @@ -527,7 +527,7 @@ Try out these examples and explain what is returned by each one.

::::::::::::::: solution

## Solution to Challenge 4
## Solution to Challenge 5

```{r, eval=TRUE, echo=TRUE}
nordic[1]
Expand Down
Loading