/// <summary>
/// Gets the top players who have played at least 100 games.
/// </summary>
/// <param name="experiment">The experiment.</param>
/// <param name="count">The count.</param>
/// <returns>
/// The top N players from last experiment.
/// </returns>
public static IList <string> GetTopPlayersWhoHavePlayedAtLeast100Games(
OnlineExperiment experiment,
int count)
{
var playersOver100 = experiment.PlayerPosteriors.Where(ia => ia.Value.Count >= 100).ToArray();
return(!playersOver100.Any() ? null : playersOver100.OrderByDescending(ia => ia.Value.Last().GetMean()).Take(count).Select(ia => ia.Key).ToArray());
}
/// <summary>
/// Gets the random n players.
/// </summary>
/// <param name="experiment">The experiment.</param>
/// <param name="count">The count.</param>
/// <returns>
/// The top N players from last experiment.
/// </returns>
public static IList <string> GetRandomNPlayers(OnlineExperiment experiment, int count)
{
// Get top N players - leaderboard is already sorted
return(experiment.Players.OrderBy(ia => Guid.NewGuid()).Take(count).ToArray());
}
/// <summary>
/// Gets the top n players by skill.
/// </summary>
/// <param name="experiment">The experiment.</param>
/// <param name="count">The count.</param>
/// <returns>
/// The top N players from last experiment.
/// </returns>
public static IList <string> GetTopNPlayersBySkill(OnlineExperiment experiment, int count)
{
// Get top N players - leaderboard is already sorted
return(count == int.MaxValue ? experiment.LeaderBoard.Keys.ToArray() : experiment.LeaderBoard.Keys.Take(count).ToArray());
}
/// <summary>
/// Gets the top n players by count.
/// </summary>
/// <param name="experiment">The experiment.</param>
/// <param name="count">The count.</param>
/// <returns>The top N players from last experiment.</returns>
public static IList <string> GetTopNPlayersByCount(OnlineExperiment experiment, int count)
{
return(experiment.PlayerPosteriors.OrderByDescending(ia => ia.Value.Count).Take(count).Select(ia => ia.Key).ToArray());
}
/// <summary>
/// Gets the first n players.
/// </summary>
/// <param name="experiment">The experiment.</param>
/// <param name="count">The count.</param>
/// <returns>The first N players from last experiment.</returns>
public static IList <string> GetFirstNPlayers(OnlineExperiment experiment, int count)
{
return(experiment.Players.Take(count).ToArray());
}