# tilde

0th

Percentile

##### Tilde Operator

Tilde is used to separate the left- and right-hand sides in a model formula.

Keywords
models
##### Usage
y ~ model
##### Arguments
y, model
symbolic expressions.
##### Details

The left-hand side is optional, and one-sided formulae are used in some contexts.

A formula has mode call. It can be subsetted by [[: the components are ~, the left-hand side (if present) and the right-hand side in that order.

##### References

Chambers, J. M. and Hastie, T. J. (1992) Statistical models. Chapter 2 of Statistical Models in S eds J. M. Chambers and T. J. Hastie, Wadsworth & Brooks/Cole.

formula