spatial {bootstrap} | R Documentation |

## Spatial Test Data

### Description

Twenty-six neurologically impaired children have each taken two tests
of spatial perception, called "A" and "B".

### Usage

`data(spatial)`

### Format

A data frame with 26 observations on the following 2 variables.

- A
a numeric vector

- B
a numeric vector

### Details

In the book this is used as a test data set for bootstrapping
confidence intervals.

### Source

Efron, B. and Tibshirani, R. (1993) An Introduction to the Bootstrap.
Chapman and Hall, New York, London.

### Examples

```
str(spatial)
plot(spatial)
abline(0,1, col="red2")
```

[Package

*bootstrap* version 2019.6

Index]