cutpoint_knots {cutpointr} | R Documentation |

## Calculate number of knots to use in spline smoothing

### Description

This function calculates the number of knots
when using smoothing splines for smoothing a function of metric values per
cutpoint value. The function for calculating the number of knots is equal
to `stats::.nknots_smspl`

but uses the number of unique cutpoints
in the data as n.

### Usage

```
cutpoint_knots(data, x)
```

### Arguments

`data` |
A data frame |

`x` |
(character) The name of the predictor variable |

### Examples

```
cutpoint_knots(suicide, "dsi")
```

[Package

*cutpointr*version 1.1.2 Index]