Here is the original question: What is the best way to change a named numeric to a time series> str(y1)Named int [1:730] 102 145 147 120 132 125 137 103 128 130 ... - attr(*, "names")= chr [1:730] "2006-01-01" "2006-01-02" "2006-01-03" "2006-01-04" ...>y2 <- zoo(y1,order=names(y1)) Perfect! Thanks though, Erin -- Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houston - Downtown mailto: erinm.hodgess at gmail.com