On Tue, 16 Aug 2011, Roderick A. Anderson wrote:

> Can we see another snapshot of the data? And (did I miss it?) which three
> columns.

Rod,

   Yep, and yep.

Data:

\N      CVS     1994-01-20      Conductance, Specific   460     uS/cm   t \N    
\N      \N
\N      CVS     1994-01-20      Conductance, Specific   522     uS/cm   t \N    
\N      \N

   (Fred: I think that pg_dump does use tabs as column separators, and there
are spaces within a column as the above demonstrates. These data were
extracted from Excel spreadsheets.)

   The three columns are the second, third, and fourth, named loc_name,
sample_date, and param.

   The current client staff can't figure out either how there could be two
different values for specific conductance at the same location on the same
date when both were supposedly checked for quality (the 't' in the seventh
column).

Rich

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