> On 24 Aug 2017, at 11:58 , peter dalgaard <pdalgd at gmail.com> wrote: > > apply(M, 1, function(i) sum((2^(0:4))[i])) -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd.mes at cbs.dk Priv: PDalgd at gmail.com