[R] Conversion - lowercase to Uppercase letters

[Rolf Turner]

On 20/08/2008, at 4:19 PM, suman Duvvuru wrote:

> I would like to know how to convert a string with characters to all
> uppercase or all lowercase? If anyone could let me know if there  
> exists a
> function in R for the conversion, that will be very helpful.

?tolower

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