Class: Datasets::SeabornData
- Defined in:
- lib/datasets/seaborn-data.rb
Constant Summary collapse
- URL_FORMAT =
"https://raw.githubusercontent.com/mwaskom/seaborn-data/master/%{name}.csv".freeze
Instance Attribute Summary
Attributes inherited from Dataset
Instance Method Summary collapse
- #each(&block) ⇒ Object
-
#initialize(name) ⇒ SeabornData
constructor
A new instance of SeabornData.
Methods inherited from Dataset
Constructor Details
#initialize(name) ⇒ SeabornData
Returns a new instance of SeabornData.
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# File 'lib/datasets/seaborn-data.rb', line 5 def initialize(name) super() @metadata.id = "seaborn-data-#{name}" @metadata.name = "SeabornData: #{name}" @metadata.url = URL_FORMAT % {name: name} @data_path = cache_dir_path + (name + ".csv") @name = name end |
Instance Method Details
#each(&block) ⇒ Object
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# File 'lib/datasets/seaborn-data.rb', line 15 def each(&block) return to_enum(__method__) unless block_given? download(@data_path, @metadata.url) unless @data_path.exist? CSV.open(@data_path, headers: :first_row, converters: :all) do |csv| csv.each do |row| record = prepare_record(row) yield record end end end |