Two mistakes that I spotted after clicking send... On 5 June 2013 01:57, Miguel Barbosa Gonçalves <m at mbg.pt> wrote: > Hi Chis! > I meant Chris of course... sorry about that! > > I have a week's worth of data know... Take a look at the attached graphics. > Not know but now of course... 2 am here :-) Cheers, Miguel