grid.xaxis(at = NULL, label = TRUE, main = TRUE,
edits = NULL, name = NULL,
gp = gpar(), draw = TRUE, vp = NULL)xaxisGrob(at = NULL, label = TRUE, main = TRUE,
edits = NULL, name = NULL,
gp = gpar(), vp = NULL)
at
argument.TRUE
) or at the top (FALSE
) of the
viewport.at
is NULL
.gpar
, typically the output
from a call to the function gpar
. This is basically
a list of graphical parameter settings.NULL
).grid.xaxis
returns the value invisibly.grid.xaxis
draws the xaxis (and then only if draw
is TRUE
).viewport
,
grid.yaxis