| as.char.or.expr {base} | R Documentation |
Coerce expression and call objects to expressions, and all other objects to character.
as.char.or.expr(x)
x |
an arbitrary R object. |
This function is used for handling the text arguments to the
text-drawing functions. These arguments can be character strings or
expressions (which are interpreted as mathematical expressions and
typeset according to TeX-like rules, see plotmath for
more details). Users will typically have no need for it.
as.char.or.expr("This is a string.")
as.char.or.expr(call("round", 10.5))