[R] Quiz: Who finds the nicest form of X_1^\prime?

[Peter Ehlers]

On 2011-04-06 15:21, Marius Hofert wrote:
> Haha, I found a hack (using the letter "l"):
>
> plot(0,0,main=expression(italic(X)[1]^bolditalic("l")))

To my eye, this is a bit neater:

  expression(italic(X)[1]^bold("/"))

Peter

>
> Cheers,
>
> Marius