Wikimedia Product/Data dictionary/unique_devices_per_project_family_daily
This page describes the data set unique_devices_per_project_family_daily that stores on Druid Datasources, which can be accessed via Superset/Turnilo. unique_devices_per_project_family_daily on Druid is directly loaded from wmf.unique_devices_per_project_family_daily on Hive, while wmf.unique_devices_per_project_family_daily on Hive is originally extracted from wmf.pageview_actor.
Schema
edit| Field name | data type | description | data example | source schema | source field |
|---|---|---|---|---|---|
| project_family | string | The lower cased project-family (wikipedia for instance)' | wiktionary | wmf.pageview_actor | normalized_host.project_class |
| country | string | Country name of the accessing agents (computed using maxmind GeoIP database)', | Barbados | wmf.pageview_actor | geocoded_data['country'] |
| country_code | string | 2 letter country code | BB | wmf.pageview_actor | geocoded_data['country_code'] |
| uniques_underestimate | int | Under estimation of unique devices seen based on last-access-global cookie, and the nocookies header | 45 | wmf.pageview_actor | x_analytics_map['WMF-Last-Access'], x_analytics_map['nocookies'], uri_host |
| uniques_offset | int | Unique devices offset computed as fresh sessions (only 1 action without last-access-global cookie)' | 103 | wmf.pageview_actor | count(1) |
| uniques_estimate | int | Estimate of unique devices seen as uniques_underestimate plus offset' | 148 | wmf.pageview_actor | x_analytics_map['WMF-Last-Access'], x_analytics_map['nocookies'], uri_host |
| year | int | Unpadded year of requests | 2020 | wmf.pageview_actor | year |
| month | int | Unpadded month of requests | 11 | wmf.pageview_actor | month |
| day | int | Unpadded day of requests | 1 | wmf.pageview_actor | day |