class GdsApi::PerformancePlatform::DataOut

def statistics(options, is_multipart = false)

Backdrop can be found here: https://github.com/alphagov/backdrop
storing and querying data.
The performance platform uses Backdrop and its query language for
This can be used as a free form call to the performance platform. 
def statistics(options, is_multipart = false)
  params = {
    group_by: options[:group_by],
    collect: options[:collect],
    duration: 42,
    period: "day",
    end_at: Date.today.to_time.getutc.iso8601,
  }
  filter_param = is_multipart ? :filter_by_prefix : :filter_by
  params[filter_param] = "pagePath:" + options[:slug]
  get_json("#{endpoint}/data/govuk-info/#{options[:transaction]}#{query_string(params)}")
end