Data Structures: Exercises

obj
[[1]]
[1] 3 5 1

[[2]]
[1] "a"
---
title: "Data Structures: Exercises"
aliases: [../data_structures/data_structures_exercise.html]
---

## Data structures

Examine this object:

```{r, echo = FALSE}
obj <- list(c(3, 5, 1), "a")
```

```{r}
obj
```

1.  What kind of data structure is `obj`?
    -   [ ] Data frame
    -   [ ] Vector
    -   [ ] List
    -   [ ] Matrix

::: {.callout-caution collapse="true"}
## Solution

-   [ ] Data frame
-   [ ] Vector
-   [x] List
-   [ ] Matrix
:::

2.  And what types of vectors are included?
    -   [ ] Numeric and character.
    -   [ ] Character and logical.
    -   [ ] Only numeric.
    -   [ ] Only character.

::: {.callout-caution collapse="true"}
## Solution

-   [x] Numeric and character.
-   [ ] Character and logical.
-   [ ] Only numeric.
-   [ ] Only character.
:::