character vector The default used for annotations
= "title".
Value
The return value of ggplot2::ggtitle().
Details
ggtitle_spct() retrieves from object x metadata and
passes it to ggplot2::ggtitle() as arguments for title and
subtitle. The specification for the tittle is passed as argument
to annotations, and consists in the keyword title with optional
modifiers selecting the kind of metatdata to use, separated by colons.
"objt", "class", "what", "when", "where", "inst.name", "inst.sn" and "none"
are recognized as modifiers to "title".
# NOT RUN {library(ggplot2)
library(photobiology)
p <- ggplot(sun.spct) +
geom_line()
p + ggtitle_spct(sun.spct)
p + ggtitle_spct(sun.spct, annotations = "title:where:when")
# }