ncl 创建 boxplot 样板：
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl" ; These four libraries are **automatically**
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl" ; **loaded** from NCL V6.4.0 onward.
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl" ; No need for user to explicitly load.
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl"
function boxplot (
wks : graphic,
x [*] : numeric,
y [*][*] : numeric,
boxOpts : logical,
plotres : logical,
lineres : logical
)
[return_val [1] : graphic
http://www.ncl.ucar.edu/Document/Functions/Shea_util/boxplot.shtml
