摘要:
One-way analysis of variance In statistics, one-way analysis of variance (abbreviated one-way ANOVA) is a technique used to compare means of three or 阅读全文
摘要:
1、方差分析 方差分析的定义:方差分析(Analysis of Variance,简称ANOVA),又称“变异数分析”,是R.A.Fisher发明的,用于两个及两个以上样本均数差别的显著性检验。 由于各种因素的影响,研究所得的数据呈现波动状。造成波动的原因可分成两类,一是不可控的随机因素,另一是研究 阅读全文
摘要:
Uses Among the most frequently used t-tests are: A one-sample location test of whether the mean of a population has a value specified in a null hypoth 阅读全文