[R] Adding a decimal point at the second mark in R

[Rolf Turner]

On 03/10/15 05:26, Jon1985 wrote:

> Using R, I have two columns (onset, duration) containing milliseconds in a
> data frame. I want to add a decimal point at the second mark for all data
> points in both columns i.e. turning 1541ms into 1.541s AND turning 638ms
> into 0.638s.
>
> Could someone tell me how to do this?

How about

    X$onset    <- X$onset/1000
    X$duration <- X$duration/1000

???

cheers,

Rolf Turner

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