Create a Multi-Channel Funnel Reporting API query object
McfQuery(view = NA, creds = get_creds(), startDate = Sys.Date() - 8,
endDate = Sys.Date() - 2, metrics = "mcf:totalConversions",
dimensions = "mcf:nthDay", sortBy = NULL, filters = NULL,
samplingLevel = "DEFAULT", maxResults = kGaMaxResults)
view id to use
authentication credentials object created using GoogleApiCreds()
start date
end date
character vector of metrics
character vector of dimensions
a sort by object
a filters object
either "DEFAULT"
, "HIGHER_PRECISION"
or "FASTER"
the maximum number of results to return, up to 1,000,000