# extended

From labeling v0.1
by Justin Talbot

##### An Extension of Wilkinson's Algorithm for Position Tick Labels on Axes...

An Extension of Wilkinson's Algorithm for Position Tick Labels on Axes

##### Usage

```
extended(dmin, dmax, m, Q=c(1, 5, 2, 2.5, 4, 3), only.loose=FALSE, w=c(0.25,
0.2, 0.5, 0.05))
```

##### Arguments

- dmin
- minimum of the data range
- dmax
- maximum of the data range
- m
- number of axis labels
- Q
- set of nice numbers
- only.loose
- if true, the extreme labels will be outside the data range
- w
- weights applied to the four optimization components (simplicity, coverage, density, and legibility)

##### Details

`extended`

is an enhanced version of Wilkinson's optimization-based axis labeling approach. It is described in detail in our paper. See the references.

##### Value

- vector of axis label locations

##### References

Talbot, J., Lin, S., Hanrahan, P. (2010) An Extension of Wilkinson's Algorithm for Positioning Tick Labels on Axes, InfoVis 2010.

*Documentation reproduced from package labeling, version 0.1, License: Unlimited*

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