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  2. List of artificial pet games - Wikipedia

    en.wikipedia.org/wiki/List_of_artificial_pet_games

    A pet simulator (sometimes called virtual pets or digital pets [1]) is a video game that focuses on the care, raising, breeding or exhibition of simulated animals. These games are software implementations of digital pets. Such games are described as a sub-class of life simulation game.

  3. Elo rating system - Wikipedia

    en.wikipedia.org/wiki/Elo_rating_system

    [40] [41] Pokémon USA uses the Elo system to rank its TCG organized play competitors. [50] Prizes for the top players in various regions included holidays and world championships invites until the 2011–2012 season, where awards were based on a system of Championship Points, their rationale being the same as the DCI's for Magic: The Gathering .

  4. Virtual pet - Wikipedia

    en.wikipedia.org/wiki/Virtual_pet

    A virtual pet (also known as a digital pet, artificial pet, [1] or pet-raising simulation) is a type of artificial human companion. They are usually kept for companionship or enjoyment, or as an alternative to a real pet. Digital pets have no concrete physical form other than the hardware they run on.

  5. Ranking (statistics) - Wikipedia

    en.wikipedia.org/wiki/Ranking_(statistics)

    In statistics, ranking is the data transformation in which numerical or ordinal values are replaced by their rank when the data are sorted.. For example, the ranks of the numerical data 3.4, 5.1, 2.6, 7.3 are 2, 3, 1, 4.

  6. List ranking - Wikipedia

    en.wikipedia.org/wiki/List_ranking

    List ranking can equivalently be viewed as performing a prefix sum operation on the given list, in which the values to be summed are all equal to one. The list ranking problem can be used to solve many problems on trees via an Euler tour technique, in which one forms a linked list that includes two copies of each edge of the tree, one in each direction, places the nodes of this list into an ...

  7. Discounted cumulative gain - Wikipedia

    en.wikipedia.org/wiki/Discounted_cumulative_gain

    Cumulative Gain is the sum of the graded relevance values of all results in a search result list. CG does not take into account the rank (position) of a result in the result list. The CG at a particular rank position is defined as: = = Where is the graded relevance of the result at position . The value computed with the CG function is ...

  8. Ranking - Wikipedia

    en.wikipedia.org/wiki/Ranking

    In statistics, ranking is the data transformation in which numerical or ordinal values are replaced by their rank when the data are sorted. For example, the ranks of the numerical data 3.4, 5.1, 2.6, 7.3 are 2, 3, 1, 4.

  9. Rank-maximal allocation - Wikipedia

    en.wikipedia.org/wiki/Rank-maximal_allocation

    The rank-vector is thus (2,0,1), which is lexicographically higher than (1,1,1) – it gives more people their 1st choice. It is easy to check that no allocation produces a lexicographically higher rank-vector. Hence, the allocation (x,z,y) is rank-maximal. Similarly, the allocation (z,x,y) is rank-maximal – it produces the same rank-vector ...