[R] some questions about font

[Paul Murrell]

Hi


Bobai Li wrote:
> 
> Hi,
> 
> I have been using R to create some mathematical and statistical graphs 
> for a book manuscript, but I got some problems:
> 
> 1)  Some web positngs said that default typeface for math expressions is 
> italic, but in my system (R 2.01 on WinXP), the default is regular font.
> How can I change the default to ilatic?


expression(italic(whatever))


> 2)  When use ComputerModern font,  (i.e., 
> family=c("CM_regular_10.afm","CM_boldx_10.afm","cmti10.afm","cmbxti10.afm","CM_symbol_10.afm") 
> ), some accented symbols are not available. For example, 
> "expression(hat(beta))" will produce warning message like "font metrics 
> unknown for character 94."


That appears to be a bug (that requires changes to the PostScript device 
driver).  A nastyish workaround for hat(beta) is widehat(beta), but I 
suspect there are other problems that this will not solve.

Paul
-- 
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x85392
paul at stat.auckland.ac.nz
http://www.stat.auckland.ac.nz/~paul/