Class: BioTable::Statistics::Accumulate

Inherits:
Object
  • Object
show all
Defined in:
lib/bio-table/statistics.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Accumulate

Returns a new instance of Accumulate.



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# File 'lib/bio-table/statistics.rb', line 17

def initialize
  @columns = []
end

Instance Method Details

#add(row, type) ⇒ Object 



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# File 'lib/bio-table/statistics.rb', line 21

def add row, type
  if type == :header
    @header = row
  else
    row.each_with_index do | e,i |
      @columns[i] = [] if not @columns[i]
      @columns[i] << e.to_f
    end
  end
end

#write(writer) ⇒ Object 



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# File 'lib/bio-table/statistics.rb', line 32

def write writer
  vectors = @columns.map { |c| c.to_scale }

  writer.write(TableRow.new("stat",@header),:header)
  
  sizes = @columns.map { |c| c.size }
  writer.write(TableRow.new("size",sizes),:row)
  writer.write(TableRow.new("min",vectors.map { |v| v.min }),:row)
  writer.write(TableRow.new("max",vectors.map { |v| v.max }),:row)
  writer.write(TableRow.new("median",vectors.map { |v| v.median }),:row)
  writer.write(TableRow.new("mean",vectors.map { |v| v.mean }),:row)
  writer.write(TableRow.new("sd",vectors.map { |v| v.sd }),:row)
  writer.write(TableRow.new("cv",vectors.map { |v| v.coefficient_of_variation }),:row)
end