On Aug 26, 7:23 pm, Emile van Sebille <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > > I have a list that starts with zeros, has sporadic data, and then has > > good data. I define the point at which the data turns good to be the > > first index with a non-zero entry that is followed by at least 4 > > consecutive non-zero data items (i.e. a week's worth of non-zero > > data). For example, if my list is [0, 0, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, > > 9], I would define the point at which data turns good to be 4 (1 > > followed by 2, 3, 4, 5). > > > I have a simple algorithm to identify this changepoint, but it looks > > crude: is there a cleaner, more elegant way to do this? > > >>> for ii,dummy in enumerate(retHist): > ... if 0 not in retHist[ii:ii+5]: > ... break > > >>> del retHist[:ii] > > Well, to the extent short and sweet is elegant... > > Emile
This is just what the doctor ordered. Thank you, everyone, for the help. Sincerely Thomas Philips -- http://mail.python.org/mailman/listinfo/python-list
