[R] exrpression(), double subscript

[Uwe Ligges]

Afshartous, David wrote:
> All,
>  
> The first use of expression produces a double subscript while the second does not.
> I searched in ?plotmath and the archives and didn't find anything.  I'm sure I'm missing
> something obvious but can't seem to find.  any suggestions much appreciated.
>  
> Cheers,
> David
>  
>  
> plot(1:10, 1:10)
> text(par("usr")[1] - .5, 5, adj = 1, labels = expression(hat(b)[11]), xpd = TRUE)
> text(par("usr")[1] - .5, 5, adj = 1, labels = expression(hat(b)[0*i]), xpd = TRUE)


If you want "0i" as subscript, use

   expression(hat(b)[0*i])

(0i is complex and represented by 0+0i afterwards)

Or does "double" mean you want i as subscript of 0? Then just try

   expression(hat(b)[0[i]])


Uwe Ligges
> 
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