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module OpenTox
# Basic feature class
class Feature
field :nominal, type: Boolean
field :numeric, type: Boolean
field :measured, type: Boolean
end
# Feature for categorical variables
class NominalFeature < Feature
# TODO check if accept_values are still needed
field :accept_values, type: Array
def initialize params
super params
nominal = true
end
end
# Feature for quantitative variables
class NumericFeature < Feature
def initialize params
super params
numeric = true
end
end
# Feature for SMARTS fragments
class Smarts < NominalFeature
field :smarts, type: String
index "smarts" => 1
def self.from_smarts smarts
self.find_or_create_by :smarts => smarts
end
end
# Feature for supervised fragments from Fminer algorithm
class FminerSmarts < Smarts
field :p_value, type: Float
# TODO check if effect is used
field :effect, type: String
field :dataset_id
end
# Feature for physico-chemical descriptors
class PhysChemDescriptor < NumericFeature
field :algorithm, type: String, default: "OpenTox::Algorithm::Descriptor.physchem"
field :parameters, type: Hash
field :creator, type: String
end
# Feature for categorical bioassay results
class NominalBioAssay < NominalFeature
end
# Feature for quantitative bioassay results
class NumericBioAssay < NumericFeature
end
end
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