*
* Example 7/6/1 on pp 362-363
*
open data writing.dat
calendar(m) 1963
data(format=free,org=columns) 1963:1 1972:12 writing
*
boxjenk(diffs=1,sdiffs=1,ma=1,sma=1,maxl) writing
boxjenk(diffs=1,sdiffs=1,ma=1,sma=1,ar=1,maxl) writing
boxjenk(diffs=1,sdiffs=1,ma=3,sma=1,maxl) writing