SUBJECT:  Stratified test for trend across ordered groups
AUTHORS:  Peter Sasieni
          Imperial Cancer Research Fund
SUPPORT:  EMAIL  p.sasieni@icrf.icnet.uk

COMMENTS:
Use standard in1 installation instructions. From inside Stata,
on-line help is available.  Type 'help npt_s'. 

_gsrank.ado is used in npt_s.ado.

stb2.dta is the dataset for the example.

dotplot.ado is used in stb2.do and comes from STB 19.  If you have
Stata 5.0, dotplot is included with your copy of Stata.