class PubliSci::Readers::CSV

Public Instance Methods

automatic(file=nil,dataset_name=nil,options={},interactive=true) click to toggle source
# File lib/publisci/readers/csv.rb, line 5
def automatic(file=nil,dataset_name=nil,options={},interactive=true)
  #to do
  # puts "f #{file} \n ds #{dataset_name} opts #{options}"

  unless file || !interactive
    puts "Input file?"
    file = gets.chomp
  end

  raise "CSV reader needs an input file" unless file && file.size > 0


  unless dataset_name
    if interactive
      dataset_name = interact("Dataset name?","#{File.basename(file).split('.').first}"){|sel| File.basename(file).split('.').first }
    else
      dataset_name = File.basename(file).split('.').first
    end
  end


  categories = ::CSV.read(file)[0]


  unless options[:dimensions] || !interactive
    options[:dimensions] = Array(interact("Dimensions?",categories[0],categories))
  end

  unless options[:measures] || !interactive
    meas = categories - (options[:dimensions] || [categories[0]])
    selection = interact("Measures?",meas,meas){|s| nil}
    options[:measures] = Array(selection) unless selection == nil
  end

  generate_n3(file,dataset_name,options)
end
codes() click to toggle source
# File lib/publisci/readers/csv.rb, line 52
def codes
  @options[:codes] || dimensions()
end
dimensions() click to toggle source
# File lib/publisci/readers/csv.rb, line 48
def dimensions
  @options[:dimensions] || [@data[0][0]]
end
generate_n3(file, dataset_name, options={}) click to toggle source
# File lib/publisci/readers/csv.rb, line 42
def generate_n3(file, dataset_name, options={})
  @data = ::CSV.read(file)
  @options = options
  generate(measures, dimensions, codes, observation_data, observation_labels, dataset_name, options)
end
measures() click to toggle source
# File lib/publisci/readers/csv.rb, line 56
def measures
  @options[:measures] || @data[0] - dimensions()
end
observation_data() click to toggle source
# File lib/publisci/readers/csv.rb, line 72
def observation_data
  obs = {}
  @data[0].map{|label|
    obs[label] = []
  }
  tmp = @data.dup
  tmp.shift

  tmp.map{|row|
    row.each_with_index{|entry,i|
      obs[@data[0][i]] << entry
    }
  }
  obs
end
observation_labels() click to toggle source
# File lib/publisci/readers/csv.rb, line 60
def observation_labels
  if @options[:label_column]
    tmp = @data.dup
    tmp.shift
    tmp.map{|row|
      row[@options[:label_column]]
    }
  else
    (1..@data.size - 1).to_a
  end
end