ulm_stats: age distribution

  gauge :age_distribution_female,

    :tick => 1.month.to_i,

    :three_dimensional => true,

    :title => "Age Distribution (female)"

  gauge :age_distribution_male,

    :tick => 1.month.to_i,

    :three_dimensional => true,

    :title => "Age Distribution (male)"

  widget 'Demography', {

    :title => "Age Distribution: Female Users",

    :type => :toplist,

    :width => 50,

    :autoupdate => 5,

    :gauges => [ :age_distribution_female ]

  }

  widget 'Demography', {

    :title => "Age Distribution: Male Users",

    :type => :toplist,

    :width => 50,

    :autoupdate => 5,

    :gauges => [ :age_distribution_male ]

  }

  event "user_demography" do

    incr_field(:age_distribution_female, data[:age], 1) if data[:gender] == "female"

    incr_field(:age_distribution_male, data[:age], 1) if data[:gender] == "male"

  end

  gauge :events_per_minute, :tick => 60

  gauge :events_per_hour, :tick => 1.hour.to_i