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Add a column containing a simulation counter (irep). A new simulation is counted everytime a value in x is lower than its previous value.
irep(x, quiet = FALSE)
The column to be used for computing simulation number, usually the ID column.
Logical, if FALSE messages are printed to the console.
FALSE
xpdb_ex_pk_2 <- xpdb_ex_pk %>% mutate(sim_id = irep(ID), .problem = 2)
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