On Oct 9, 2009, at 5:50 AM, Steve Murray wrote:
Dear all,
I am using abline(lm ...) to insert a linear trendline through a
portion of my data (e.g. dataset[,36:45]). However, I am finding
that whilst the trendline is correctly displayed and representative
of the data portion I've chosen, the line continues to run beyond
this data segment and continues until it intersects the vertical
axes at each side of the plot.
How do I display the line so that it only runs between point 36 and
45 (as shown in the example above) as doesn't continue to display a
line throughout the rest of the plot space?
?segments
Many thanks,
Steve
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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