Class: ActiveRecall::SM2
- Inherits:
-
Object
- Object
- ActiveRecall::SM2
- Defined in:
- lib/active_recall/algorithms/sm2.rb
Constant Summary collapse
- MIN_EASINESS_FACTOR =
1.3
Class Method Summary collapse
- .required_attributes ⇒ Object
- .score(box:, easiness_factor:, times_right:, times_wrong:, grade:, current_time: Time.current) ⇒ Object
- .type ⇒ Object
Instance Method Summary collapse
-
#initialize(box:, easiness_factor:, times_right:, times_wrong:, grade:, current_time: Time.current) ⇒ SM2
constructor
A new instance of SM2.
- #score ⇒ Object
Constructor Details
#initialize(box:, easiness_factor:, times_right:, times_wrong:, grade:, current_time: Time.current) ⇒ SM2
Returns a new instance of SM2.
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# File 'lib/active_recall/algorithms/sm2.rb', line 26 def initialize(box:, easiness_factor:, times_right:, times_wrong:, grade:, current_time: Time.current) @box = box @easiness_factor = easiness_factor || 2.5 @times_right = times_right @times_wrong = times_wrong @grade = grade @current_time = current_time @interval = [1, box].max end |
Class Method Details
.required_attributes ⇒ Object
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# File 'lib/active_recall/algorithms/sm2.rb', line 7 def self.required_attributes REQUIRED_ATTRIBUTES end |
.score(box:, easiness_factor:, times_right:, times_wrong:, grade:, current_time: Time.current) ⇒ Object
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# File 'lib/active_recall/algorithms/sm2.rb', line 11 def self.score(box:, easiness_factor:, times_right:, times_wrong:, grade:, current_time: Time.current) new( box: box, easiness_factor: easiness_factor, times_right: times_right, times_wrong: times_wrong, grade: grade, current_time: current_time ).score end |
.type ⇒ Object
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# File 'lib/active_recall/algorithms/sm2.rb', line 22 def self.type :gradable end |
Instance Method Details
#score ⇒ Object
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# File 'lib/active_recall/algorithms/sm2.rb', line 36 def score raise "Grade must be between 0-5!" unless GRADES.include?(@grade) update_easiness_factor update_repetition_and_interval { box: @box, easiness_factor: @easiness_factor, times_right: @times_right, times_wrong: @times_wrong, last_reviewed: @current_time, next_review: next_review } end |