Class: Rover::DataFrame

Inherits:
Object
  • Object
show all
Defined in:
lib/to_csv.rb

Instance Method Summary collapse

Instance Method Details

#outer_join ⇒ Object 



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# File 'lib/to_csv.rb', line 114

def outer_join
	ddr = self.to_daru
	# j = ddr.join  ## 外部結合 
	return j.to_rover
end

#simple_pivot(index, vectors) ⇒ Object 



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# File 'lib/to_csv.rb', line 108

def simple_pivot(index, vectors, ...)
	ddr = self.to_daru
	piv = ddr.simple_pivot(index, vectors, ...)
	return piv.to_rover
end

#to_daru ⇒ Object 



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# File 'lib/to_csv.rb', line 104

def to_daru
	Daru::DataFrame.new(self.to_a)
end

#write_csv(path, encoding: nil) ⇒ Object

Rover#to_csv is already exist.



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# File 'lib/to_csv.rb', line 99

def write_csv(path, encoding: nil)
	enc = encoding.nil? ? "" : ":#{encoding}"
	open(path, "w#{enc}") {|f| f.write self.to_csv}
end