Created
May 31, 2018 23:23
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comparing SQL with dplyr
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| plot_data <- data %>% | |
| mutate(Movement15 = lubridate::floor_date(MovementDateTime,"15 minutes")) %>% | |
| group_by(IN_OUT, Movement_Type,Staging_Post,Movement15) %>% | |
| mutate(counter = case_when( | |
| IN_OUT == 'IN' ~ 1, | |
| IN_OUT == 'OUT' ~ -1)) %>% | |
| mutate(Movement_15_SEQNO = cumsum(counter)) %>% | |
| ungroup() |
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