查询词典 quartiles

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 age- and sex-adjusted hazard ratios for diabetes were 1.30, 1.63, and 2.83 for the second, third, and fourth quartiles of serum uric acid, in comparison with the first quartile.

研究人员报道：在年龄和性别做了相应调整后与第一次血清尿酸四分位数相比较，第二次糖尿病的危害比为1.30，第三次为1.63，第四次为2.83，。

The right and left of the box are at the third and first quartiles. Therefore, the length of the box equals the interquartile range, and the box itself represents the middle 50 percent of the observations.

图框左右分别位于第3和第1四分位点，图框的总长度正好等于一个四分位距，代表了中间观测数据的50%。

SBP and DBP increased with elevated quartiles of INS. INS was positively related to SBP and DBP. Age-and setting- adjusted partial correlation coefficient between INS and blood pressure was 0.10983 (P=0.0004)/SBP and 0.10694 (P=0.0006)/DBP in men; and was 0.12561 (P=0.0000)/SBP and 0.09986 (P=0.0005)/DBP in women.

SBP、DBP随INS四等分而显著性升高；男性INS与SBP、DBP的年龄调整偏相关系数为0.10983(P＝0.0004)和0.10694(P＝0.0006)；女性分别为0.12561(P＝0.0000)和0.09986(P＝0.0005)。

If you divide the 20th century into quartiles, the period when the initial yield gap was highest (ie, bonds yielded more than cash) saw a subsequent ten-year real return from gilts of just 0.3%.

如果你把二十世纪分成四个时期，初始收益差最高的时期（例如，债券比现金收益大）之后会遇到十年金边债券净收益只有0.3%的情况。

Subjects with plasma Aβ42/Aβ40 ratios in the lower quartiles showed significantly greater risk of MCI orAD(P=.04, adjusted for age and apolipoprotein E genotype).

血浆Aβ42/Aβ40比值在下四分位数者，MCI或AD的患病风险明显增高(P=0.04，按年龄和载脂蛋白E基因型进行校正)。

A Peer Analysis compares the variables of any company in the set to the median, the average, the quartiles and the deciles of a given set of companies.

同业分析可将一家公司的某个变量与一组公司该变量的中位数值、平均值、进行比较。

If a, b and c are the 1st, 2nd and 3rd quartiles of a distribution respectively, which of the

a、 b 和 c 分别为某分布之第一、第二和第三四份位，下哪一项是正确的

Similarly, there was a graded increase in risk of stroke across quartiles of inflammatory markers in the placebo patients only.

与此相似，卒中的风险随着炎症和心肌坏死四分位数的升高而逐级增加。

The right and left of the box are at the third and first quartiles.

图框内的垂直线表示中位数所在位置，点代表平均值。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。