I've been trying to shift some weight recently and having some success thanks to a great Android app called 'WWDiary' published by CanOfSleep.
Weekends are never a good time for losing weight, but that's just a hunch. It just occurred to me today I may have enough data to actually prove this.
One of the features of this app is a weight diary which I've been using. So I plugged the data into a data file and ran it through GnuPlot.
I then did an auto correlation of this curve:
Update (28 May 2014): This post was first posted 31 Aug 2012. After almost two more years of data I thought I should update the auto correlation chart: