# NOT RUN {
<!-- %%---- Should be DIRECTLY executable !! ---- -->
# }
# NOT RUN {
<!-- %%-- ==> Define data_sheet, use random, -->
# }
# NOT RUN {
<!-- %%-- or do help(data_sheet=index) for the standard data sets. -->
# }
# NOT RUN {
print('for internal use only')
# }
# NOT RUN {
<!-- %% The function is currently defined as -->
# }
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