On 9/30/2011 8:31 AM, Durant, James T. (ATSDR/DTEM/PRMSB) wrote:
Happy Friday fellow R users.
I need some help - I am trying to make a graph using ggplot 2 of some lead isotope
ratios. Normally, the isotope mass number appears as a superscript before the chemical
symbol. However, I cannot figure out how to do this ggplot2's axis labels. The closest I
have come is using "." In front of the numbers I am superscripting e.g:
ggplot(....
+xlab(expression(.^207*"Pb/"*.^206*"Pb"))+ylab(expression(.^208*"Pb/"*.^206*"Pb")
I have searched for this and have not had any luck so far... any suggestions?
You can replace the . with phantom("") This will give the ^ something
to be an exponent of (namely, a non-printed blank).
VR
Jim
James T. Durant, MSPH, CIH
Emergency Response Coordinator
DIvision of Toxicology and Environmental Medicine
US Agency for Toxic Substances and Disease Registy
Mailing Address:
4770 Buford Highway, MS F-62
Atlanta, Georgia 30341
Telephone:
770-488-0668 (office)
770-378-1695 (cell)
[[alternative HTML version deleted]]
--
Brian S. Diggs, PhD
Senior Research Associate, Department of Surgery
Oregon Health & Science University
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