Create a Real-Time reporting API query object
RtQuery(view = NA, creds = get_creds(), metrics = "rt:pageviews",
dimensions = "rt:minutesAgo", sortBy = NULL, filters = NULL,
maxResults = kGaMaxResults)view id to use
authentication credentials object created using GoogleApiCreds()
character vector of metrics
character vector of dimensions
a .sortBy object
a .tableFilter object
the maximum number of results to return, up to 1,000,000