中位数

NMath Stats contains a data table class with functions for computing descriptive statistics, such as mean, variance, standard deviation, percentile, median, quartiles, geometric mean, harmonic mean, RMS, kurtosis, skewness, and many more; PDF, CDF, inverse CDF, and random variable moments for a variety of probability distributions, including normal, Poisson, chi-square, gamma, beta, Student's t, F, binomial, and negative binomial; Combinatorial functions, such as factorial, log factorial, binomial coefficient, and log binomial; Multiple linear regression; Basic hypothesis tests, such as z-test, t-test, and F-test, with calculation of p-values, critical values, and confidence intervals; One-way and two-way analysis of variance and analysis of variance with repeated measures; Multivariate statistical analyses, including principal component analysis and hierarchical cluster analysis.

nmath统计包含一个数据表的阶层与职能计算描述性统计，如平均，方差，标准差，百分位，中位数， 25 ％，几何平均数，调和的意思是，有效值，峭度，偏度，还有更多的； PDF格式，民防部队，逆民防部队，并随机变量矩的各种概率分布，包括正常，泊松，卡方检定，伽玛，测试版，学生的吨，男，二项式，并负二项分布；组合的功能，例如阶乘，日志阶乘，二项式系数，并登入二项式；多元线性回归；基本假设测试，如的Z测试， t检验， F检验，计算p值，临界值，和置信区间；之一，双向和双方法方差分析和方差分析与反复的措施；多元统计分析，包括主成分分析和聚类分析。

The trends were tested with the medians of the intake as a continuous variable in the logistic model.

线性趋势检验以钙，维生素D和奶制品四个剂量组的中位数作为连续变量，P值为双尾概率。

In 2006, the majority of them was in the 6 th – 8th decile

分组别。他们的住户收入中位数是

However, the overalldifferences in maximal spread only differed by one dermatome,with the hyperbaric solution achieving a median maximum sensorylevel to T3 compared with T2 for the isobaric and hypobaricsolutions.

然而，在最大扩散的总差别不同只有一节段，重比重溶液达到最大感觉平面的中位数 T3，而等比重和轻比重溶液达到 T2。

The median age of diagnosis was 46 years.

病人的年龄中位数是46岁。

Patients and METHODS: We matched 40 patients who had LD with 40 patients who had DZ.

结果：LD组和DZ组在手术时间方面有显著差异(中位数比较， 4.1 s 3.3 小时； P =。001)。

This research project is based on the experience of studying and application of CP from hospitals home and abroad, and selects hemorrhoid from the largest hospital experting in archos and enteropathy diseases in Dalian.

首先采用历史回顾的方法，借助于医院信息系统检索2006年1月1日至6月30日痔病患者信息，然后根据中位数法、循证医学、帕雷托原理及Delphi法等理念和方法，对临床路径诊疗流程的住院时间、项目内容等进行设计。

In 24 women (36%) who had one-year follow-up MRI, mean reduction in fibroid volume was 41%(range 13% to 78%).

进行一年MRI随访的24位女性，其子宫肌瘤体积减小的中位数为41％（范围在13％-78％）。

Hypercalcemia was more common in patients older than 2 years of age at the time of HCT.

高钙血症发病的中位数为23天，持续时间为2-24天。

Median serum 25D level was 29 ng/mL (interquartile range, 21 - 37 ng/mL).

血清 25维生素D含量的中位数为29 ng/mL，（四分位距为21 - 37 ng/mL）。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。