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Add scales to framework. Change calculations to first group and then

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average those groupings and the way up the framework.  Likert scores for
a survey_item are averaged.  Then all the survey_items in a scale are
averaged.  Then student scales in a measure are averaged.  And teacher
scales in a measure are averaged.  Then the average of those two
calculations becomes the score for a measure.  Then the measures in a
subcategory are averaged.
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rebuilt 2022-02-16 20:40:32 +01:00
parent 1ca88bf6d1
commit d4df7cbc06
44 changed files with 1053 additions and 856 deletions
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21
app/models/scale.rb Normal file
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class Scale < ApplicationRecord
belongs_to :measure
has_many :survey_items
has_many :admin_data_items
def score(school:, academic_year:)
@score ||= Hash.new do |memo|
memo[[school, academic_year]] = survey_items.map do |survey_item|
survey_item.score(school:, academic_year:)
end.average
end
@score[[school, academic_year]]
end
scope :teacher_scales, lambda {
where("scale_id LIKE 't-%'")
}
scope :student_scales, lambda {
where("scale_id LIKE 's-%'")
}
end