Module: Freql::FPBW

Defined in:
lib/freql/fpbw.rb

Class Method Summary collapse

Class Method Details

.calc_fpbw(occurances, total) ⇒ Object 



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# File 'lib/freql/fpbw.rb', line 22

def calc_fpbw occurances, total
  (occurances / total.to_f) * 1000000000
end

.fpbw_to_cb(fpbw) ⇒ Object 



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# File 'lib/freql/fpbw.rb', line 18

def fpbw_to_cb fpbw
  Math.log10(fpbw / 1000000000.0) * 100.0
end

.fpbw_to_fpmw(fpbw) ⇒ Object 



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# File 'lib/freql/fpbw.rb', line 12

def fpbw_to_fpmw fpbw
  fpbw / 1000
end

.fpbw_to_fq(fpbw) ⇒ Object 



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# File 'lib/freql/fpbw.rb', line 9

def fpbw_to_fq fpbw
  fpbw / 1000000000.0
end

.fpbw_to_zipf(fpbw) ⇒ Object 



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# File 'lib/freql/fpbw.rb', line 15

def fpbw_to_zipf fpbw
  Math.log10(fpbw)
end