Added package name in front of the function that we want to call for data.table and slam per Michal K. (#1377)
Added package name in front of the function that we want to call for data.table and slam per Michal K. (#1377)

replace . with list, initialize variables i,j,v,jv to NULL per Matt D suggestions.
michalkurka/h2o-3,mathemage/h2o-3,spennihana/h2o-3,michalkurka/h2o-3,spennihana/h2o-3,h2oai/h2o-3,spennihana/h2o-3,mathemage/h2o-3,spennihana/h2o-3,mathemage/h2o-3,h2oai/h2o-dev,spennihana/h2o-3,h2oai/h2o-dev,michalkurka/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,h2oai/h2o-dev,mathemage/h2o-3,h2oai/h2o-3,michalkurka/h2o-3,mathemage/h2o-3,mathemage/h2o-3,mathemage/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,spennihana/h2o-3,spennihana/h2o-3,h2oai/h2o-3,michalkurka/h2o-3,h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,h2oai/h2o-3