Description Usage Arguments Value Examples
This is a helper function that identifies 'pre' and 'post' test based on the date the test was taken.
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df |
dataframe: a dataframe containing longitudinal data. |
dataframe
1 2 3 4 5 | tp <- laycUtils::load_txt('./my_data_folder/touchpoints.txt')
tp <- laycUtils::format_data(tp)
tp <- tp[tp$tp_name == "jrt pre-/post test", ]
id_prepost(df = tp)
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