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minor fix

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This commit is contained in:
Thomas Hille
2017-02-21 11:11:40 +01:00
parent f5b96f06cf
commit 91e4680f85
1 changed files with 3 additions and 4 deletions
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7
app/models/proxy_exercise.rb
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@ -90,13 +90,12 @@ class ProxyExercise < ActiveRecord::Base
user_score_factor = score(user, ex)
ex.tags.each do |t|
tag_ratio = ex.exercise_tags.where(tag: t).first.factor / ex.exercise_tags.inject(0){|sum, et| sum += et.factor }
topic_knowledge = ex.expected_difficulty * tag_ratio
topic_knowledge_loss_user[t] += (1 - user_score_factor) * topic_knowledge
topic_knowledge_max[t] += topic_knowledge
topic_knowledge_ratio = ex.expected_difficulty * tag_ratio
topic_knowledge_loss_user[t] += (1 - user_score_factor) * topic_knowledge_ratio
topic_knowledge_max[t] += topic_knowledge_ratio
end
end
relative_loss = {}
puts all_used_tags.size
all_used_tags.each do |t|
relative_loss[t] = topic_knowledge_loss_user[t] / topic_knowledge_max[t]
end