Start/stop cluster parallel calculation for time consuming prediction. ataIsClusterEnabled queries if cluster connections have been started by ataStartCluster.
ataStartCluster(spec = min(parallel::detectCores(), 8), ...)
ataStopCluster()
A specification appropriate to the type of cluster. See snow::makeCluster. By default, a maximum number of 8 slaves nodes can be creates on the local machine.
cluster type and option specifications.