[R] How to calculate values with percent sign imported from Excel?

[Peter Ehlers]

On 2012-06-21 06:19, David Winsemius wrote:
>

[...]

> What you should have done was convert the Excel column to numeric from
> percentage using the "Format/Cell" menu and then import.

This is excellent advice.
It has been my experience that _very_ few Excel addicts
are aware that columns in their spreadsheets can be 'typed'.
Much data transport grief can be avoided by doing so.

Peter Ehlers