numeric vector whose sample quantiles are wanted, or an
object of a class for which a method has been defined (see also
‘details’). NA and NaN values are not
allowed in numeric vectors unless na.rm is TRUE.
type
an integer between 1 and 9 selecting one of the
nine quantile algorithms detailed below to be used.
na.rm
logical; if true, any NA and NaN's
are removed from x before the quantiles are computed.