Description Usage Arguments Value Examples
Define a filter for the eBird Basic Dataset (EBD) based on the duration of
the checklist. This function only defines the filter and, once all filters
have been defined, auk_filter()
should be used to call AWK and perform the
filtering.
1 | auk_duration(x, duration)
|
x |
|
duration |
integer; 2 element vector specifying the range of durations in minutes to filter by. |
An auk_ebd
object.
1 2 3 4 | # only keep checklists that are less than an hour long
system.file("extdata/ebd-sample.txt", package = "auk") %>%
auk_ebd() %>%
auk_duration(duration = c(0, 60))
|
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