Description Usage Arguments Author(s) References Examples
This functions adds error bars to a plot or, optionally, plots points and added error bars.
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x |
X axis positions. |
y |
Y axis positions. |
top |
Top error bar length. |
bottom |
Bottom error bar length. |
length |
The length of the horizontal bars. |
add |
If TRUE, error bars are added to existing plot. |
... |
Additional arguments go to the internal call of arrows() which draws the error bars. |
Santiago Barreda <sbarreda@ucdavis.edu>
Inspired by a similar function first seen here:
http://monkeysuncle.stanford.edu/?p=485
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