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help for ^nptri^                                                  (STB-32: snp11) 
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Non-parametric trend test applied to a table
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    ^nptri^ #11 #12 [...] ^\^ [#21 #22 [...] [^\^ ...] [, ^m^idrank ^replace^]


^nptri^ performs the Cuzick test for trend (which generalizes the Wicoxon test 
to several ordered groups) to the r x c table using the values specified; 
rows are separated by '^/^'.  If no options are specified, it is as if the
command ^nptrend row,by(col) ordinal^ had been specified.  
See help @nptrend@ for a description of the non-parametric trend tests.
See help @immed@ for a general description of immediate commands.


Options
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^midrank^ uses midrank scores instead of ordinal score for the columns of the
    table.

^replace^ indicates that the immediate data specified as arguments to the tabi
    command are to be left as the current data in place of whatever data
    was there.


Authors
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        Peter D. Sasieni, Katarzyna A. Stepniewska, and Douglas G. Altman
        Imperial Cancer Research Fund, London