查询词典 f test

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。

With a large sample, the result from an F test and from an LM test should be similar

在大样本中，F检验和LM检验得到的结果相似。

The general correlations for j and f factors were derived by regression analysis and F test of significance.

同时通过对20种不同结构参数百叶窗翅片的336个试验数据点进行多元回归和F显著性检验，获得了j因子和f因子的经验关联式。

An sufficient condition under which the exact F test is uniformly most powerful unbiased test is discussed.

对于给出的精确的F检验给出检验存在条件以及是一致最优无偏检验的条件。

Unlike the F test and t test for one exclusion, the LM test and F test will not be identical

只有一个约束时，F检验和t检验是等价的，然而LM检验和F检验并不等价。

In this paper, the use of education statistics t test, F test methods such as the Department of Mathematics of the University 03 (1) classes and 02 (1) students carried out a four-year analysis of academic performance, try to find employment in academic performance of students with the internal relations, and to evaluate results, make recommendations.

本文运用教育统计学的t检验，F检验等方法对我校数学系03级（1）班和02级（1）班的学生四年学业成绩进行分析，试图找出学生的学业成绩与就业的内在联系，并对结果作出评价、提出建议。

The F test is just the overall significance test.

F检验就是全局显著性检验，由于F(6， 1184)=0.84，且

One approach, from mathematical point of view, is to translate the test into comparson of the constant a and proportion b of linear regression by using F test .

数学上该问题转化为对回归直线的常数 a和比例系数 b两组随机样本的 F检验。

Used regression sum of squares to get the F-test statistic in order to test the random effect, the power of the test is increasing function of the test variance.

通过残差平方和构造了F检验统计量对是否有随机效应进行检验，并得出了检验的势函数是检验方差的增函数。

"Davidia involucrate" was a rare valuable and endangered plant in China. In this article, We studied the distribution pattern of its population with t test of Dispersal index, X^2 test of Poisson distribution and F test of Morisita's index. Its assemble intensity is also analyzed through Negative binomial index, Green's index, Lloyd's index and Patchness index.

采用扩散系数的t检验、Poisson分布的x^2拟合检验及Morisita指数的F检验来研究珙桐种群的空间分布格局类型，用负二项参数、Green指数和Lloyd的平均拥挤度m(上标*与聚块性指标来研究珙桐的聚集强度。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。