Exercise

Control-flow deviations

Recall these two filtering methods introduced in the previous chapter:

filter_activity_presence: select cases where certain activities are (not) present
filter_trim: trim the heads and/or tails of cases, until they start with a specific start and/or end activity.

We will use these two filters to drill-down to specific control-flow patterns.

Instructions 1/3

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Select the cases from otc in which activity "Return Goods" is present , and store the filtered event log in otc_returned.