Contents

require 'support/test_model'

class DatasetHelper
  def self.normal_distribution(vector_size: 3, clusters: 8, datapoints: 80)
    dataset = []
    sr = SimpleRandom.new

    (1..datapoints).each do |i|
      mean = -90 + (i % clusters) * (180.0 / clusters)
      standard_deviation = 5

      vector = []
      vector_size.times{ |k| vector << sr.normal(mean, standard_deviation) }
      dataset << TestModel.new(vector)
    end

    dataset
  end
end

Version data entries

17 entries across 17 versions & 1 rubygems

Version	Path
db_clustering-0.1.17	spec/support/dataset_helper.rb
db_clustering-0.1.16	spec/support/dataset_helper.rb
db_clustering-0.1.15	spec/support/dataset_helper.rb
db_clustering-0.1.14	spec/support/dataset_helper.rb
db_clustering-0.1.13	spec/support/dataset_helper.rb
db_clustering-0.1.12	spec/support/dataset_helper.rb
db_clustering-0.1.11	spec/support/dataset_helper.rb
db_clustering-0.1.10	spec/support/dataset_helper.rb
db_clustering-0.1.9	spec/support/dataset_helper.rb
db_clustering-0.1.8	spec/support/dataset_helper.rb
db_clustering-0.1.7	spec/support/dataset_helper.rb
db_clustering-0.1.6	spec/support/dataset_helper.rb
db_clustering-0.1.5	spec/support/dataset_helper.rb
db_clustering-0.1.4	spec/support/dataset_helper.rb
db_clustering-0.1.3	spec/support/dataset_helper.rb
db_clustering-0.1.2	spec/support/dataset_helper.rb
db_clustering-0.1.1	spec/support/dataset_helper.rb