[R] Fw: Plotting text-string real_date names at excel_date positions.
RexBryan1 at attbi.com
Mon Jan 13 02:16:02 CET 2003
How do I post text-string dates along the x-axis instead of the excel_date
I would like to plot a time-series of chemical values changing with time
The first column is the internal date from excel. This should be the x-axis
position of a graph
of the plotted data.
The second column is a text-string of date. This should be what is posted
(instead of the excel_date).
The third column is the chemical data and this should be the position of a
point on the y-axis.
A line needs to connect the points but should break at the NA.
excel_date real_date chemical
36234 15-Mar-99 1.6
36302 22-May-99 0.195
36395 23-Aug-99 4.9
36475 11-Nov-99 NA
36593 8-Mar-00 3.58
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