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- 4 計算各性狀的變異系數(coefficient of variation,CV)。4 The CV of each trait was calculated.
- 變系數模型(Varying-coefficient Model)是由Cleveland,Grosse,和Shyu(1992)與Hastie,Tibshirani(1993)年提出的。Varying-coeffcient models(VCM) was proposed by Cleveland, Grosse and Shyu(1992), then discussed by Hastie and Tibshirani(1993) in detail.
- 三種模擬漁業(yè)來(lái)自蒙特卡羅模擬，白色噪音由Box-Mueller方法發(fā)生，其水平(變差系數，coefficient of variation，CV)設為CV=1%，10%，30%和50%。The three simulated fisheries were estimated by Monte Carlo simulation, the white noises were generated from Box-Muller method; the levels (Coefficient of Variation, CV) were 1%25, 10%25, 30%25 and 50%25.
- 方法:對16例非宮頸腫瘤女性的子宮頸和20例宮頸癌患者的子宮頸進(jìn)行常規MRI掃描和橫斷面DWI(b=800s/mm2),比較正常宮頸和宮頸癌病灶的表觀(guān)彌散系數(apparent diffusion coefficient,ADC)值。METHODS: Routine MRI sequence and axial diffusion weighted sequence (b=800 s/mm2) were performed in 20 patients with cervical carcinoma and in 16 healthy women as control. The apparent diffusion coefficient (ADC) values of normal uterine cervix and cervical carcinoma were compared.
