Create a list of settings for the labels of an axis.
amAxisLabels(
  color = NULL,
  fontSize = 18,
  fontWeight = "normal",
  fontFamily = NULL,
  rotation = 0,
  formatter = NULL
)amAxisLabelsCircular(
  color = NULL,
  fontSize = 14,
  fontWeight = "normal",
  fontFamily = NULL,
  radius = NULL,
  relativeRotation = NULL
)
A list of settings for the labels of an axis.
color of the labels
size of the labels
font weight of the labels, it can be "normal",
"bold", "bolder", "lighter", or a number in
seq(100, 900, by = 100)
font family of the labels
rotation angle
this option defines the format of the axis labels;
this should be a
number formatting string
for a numeric axis, and a list created with
amDateAxisFormatter for a date axis
radius in percentage
relative rotation angle