#this is a subset of a larger data frame and I am okay with subsetting it as
there are redundant time stamps, but I would like to create a zoo object out
of this and I am having a hard #time figuring out how to do this  the date
structure is  year and then month

x <- structure(list(Yearmonth = structure(c(12L, 24L, 1L, 13L, 14L,
3L, 15L, 4L, 16L, 5L, 17L, 6L, 18L, 7L, 19L, 8L, 20L, 9L, 21L,
10L, 22L, 11L, 23L), .Label = c("2006-02", "2006-03", "2006-04",
"2006-05", "2006-06", "2006-07", "2006-08", "2006-09", "2006-10",
"2006-11", "2006-12", "2007-01", "2007-02", "2007-03", "2007-04",
"2007-05", "2007-06", "2007-07", "2007-08", "2007-09", "2007-10",
"2007-11", "2007-12", "2008-01"), class = "factor"), Month = c(1L,
1L, 2L, 2L, 3L, 4L, 4L, 5L, 5L, 6L, 6L, 7L, 7L, 8L, 8L, 9L, 9L,
10L, 10L, 11L, 11L, 12L, 12L)), .Names = c("Yearmonth", "Month"
), class = "data.frame", row.names = c(NA, 23L))

#thanks Stephen

-- 
Let's not spend our time and resources thinking about things that are so
little or so large that all they really do for us is puff us up and make us
feel like gods. We are mammals, and have not exhausted the annoying little
problems of being mammals.

-K. Mullis

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