Collect a number of arrivals before they can continue processing or split a previously established batch.
batch(.trj, n, timeout = 0, permanent = FALSE, name = "", rule = NULL) separate(.trj)
timeouttime units even if the batch size has not been fulfilled, accepts a numeric (0 = disabled).
TRUE, batches cannot be split.
batchactivities are independent. However, if you want to feed arrivals from different trajectories into a same batch, you need to specify a common name across all your
Returns the trajectory object.