On Jan 3, 2012, at 11:45 AM, Rich Shepard wrote:
I have a situation that I cannot resolve by myself. When I try to
create a
zoo object (with read.zoo() ) I get this error:
Error in merge.zoo(`BC-0.5 = c(" 0.000", " 0.010", " 0.010", "
0.060", :
series cannot be merged with non-unique index entries in a series
This suggests that there is a duplicate entry for the factor BC-0.5
on a
given date. Because the data originate in a relational database
table with
a multi-column primary key there are no duplicate rows in the table,
or the
text file copied from that table. I need to find the source of this
error.
How can I identify the non-unique index entries within R?
?duplicated
--
David Winsemius, MD
West Hartford, CT
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