[R] Invert the sign of a number

[Peter Flom]

Fran100681 <franaruto at hotmail.it> wrote
>
>just a simple question
>
>How can I do to invert the sign of a number? (for example: -4 to 4, 2 to -2
>and so on..)
>I was looking for a specific function in R but I didn't found it...
>thank you
>

Is there something wrong with *-1 ?

Peter

Peter L. Flom, PhD
Statistical Consultant
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