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Drop empty families
drop_empty_families(data_events)
Returns data events with strategies (excluding strategy families that contain no observed data)
A data.frame. It must be compatible with nodes in model. The default columns are event, strategy and count.
data.frame
model
event
strategy
count
# \donttest{ data_events <- data.frame(event = c('X0Y0', 'Y0'), strategy = c('XY', 'Y'), count = 1:0) CausalQueries:::drop_empty_families(data_events) # }
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