As explained in previous chapters, variation in weekly demand can be characterized by a standardized measure, the coefficient of variation, or Cv.
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(ROOT (S (SBAR (IN As) (S (VP (VBD explained) (PP (IN in) (NP (JJ previous) (NNS chapters)))))) (, ,) (NP (NP (NN variation)) (PP (IN in) (NP (JJ weekly) (NN demand)))) (VP (MD can) (VP (VB be) (VP (VBN characterized) (PP (IN by) (NP (NP (DT a) (JJ standardized) (NN measure)) (, ,) (NP (NP (DT the) (NN coefficient)) (PP (IN of) (NP (NN variation)))) (, ,) (CC or) (NP (NNP Cv))))))) (. .)))
There is no coefficient or variable to represent variation in weekly demand.
( There ( ( ( is ( no ( ( coefficient or ) variable ) ) ) ( to ( ( represent variation ) ( in ( weekly demand ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ is) (ADJP (DT no) (JJ coefficient) (CC or) (JJ variable)) (S (VP (TO to) (VP (VB represent) (NP (NN variation)) (PP (IN in) (NP (JJ weekly) (NN demand))))))) (. .)))