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lines 5-16 of file: example/table/covariate_table.py
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# {xrst_begin covariate_table.py}
# {xrst_comment_ch #}
#
# covariate_table: Example and Test
# #################################
#
# {xrst_literal
#     BEGIN PYTHON
#     END PYTHON
# }
#
# {xrst_end covariate_table.py}