# renumerate

From MASS v7.3-20
by Brian Ripley

##### Convert a Formula Transformed by 'denumerate'

`denumerate`

converts a formula written using the conventions of
`loglm`

into one that `terms`

is able to process. `renumerate`

converts it back again to a form like the original.

- Keywords
- models

##### Usage

`renumerate(x)`

##### Arguments

- x
- A formula, normally as modified by
`denumerate`

.

##### Details

This is an inverse function to `denumerate`

. It is only needed
since `terms`

returns an expanded form of the original formula
where the non-marginal terms are exposed. This expanded form is
mapped back into a form corresponding to the one that the user
originally supplied.

##### Value

- A formula where all variables with names of the form
`.vn`

, where`n`

is an integer, converted to numbers,`n`

, as allowed by the formula conventions of`loglm`

.

##### See Also

##### Examples

```
denumerate(~(1+2+3)^3 + a/b)
## ~ (.v1 + .v2 + .v3)^3 + a/b
renumerate(.Last.value)
## ~ (1 + 2 + 3)^3 + a/b
```

*Documentation reproduced from package MASS, version 7.3-20, License: GPL-2 | GPL-3*

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