二因素anova的统计过程
差别
这里会显示出您选择的修订版和当前版本之间的差别。
两侧同时换到之前的修订记录前一修订版 | |||
二因素anova的统计过程 [2024/04/12 02:20] – caomingsu | 二因素anova的统计过程 [2024/04/14 09:37] (当前版本) – caomingsu | ||
---|---|---|---|
行 6: | 行 6: | ||
二因素方差分析的假设有三: | 二因素方差分析的假设有三: | ||
- | (1)因素A的主效应:虚无假设为H< | + | Three assumptions were made for the two-factor ANOVA: |
- | (2)因素B的主效应:虚无假设为H< | + | - 因素A的主效应(Main effect of factor A):虚无假设(null hypothesis)为H< |
+ | - 因素B的主效应(Main effect of factor B):虚无假设(null hypothesis)为H< | ||
+ | - 因素A和因素B的交互作用: | ||
+ | * Interaction of factor A and factor B:The null hypothesis for the interaction is usually stated in words, i.e., the effect of factor A(B) on the dependent variable does not change as a result of changes in factor B(A). | ||
- | (3)因素A和因素B的交互作用: | ||
---- | ---- | ||
行 16: | 行 18: | ||
=== 2、计算相关统计量 Calculation of relevant statistics === | === 2、计算相关统计量 Calculation of relevant statistics === | ||
- | (1)自由度的计算{{ :: | + | * 自由度的计算 |
{{ :: | {{ :: | ||
{{ :: | {{ :: | ||
- | + | * 根据公式计算所需的统计量 | |
- | (2)根据公式计算所需的统计量 | + | |
{{ :: | {{ :: | ||
{{ :: | {{ :: | ||
{{ : | {{ : | ||
- | + | * 确定显著性水平α Determination of the significance level α | |
- | (3)确定显著性水平α | + | |
- | + | //这里临界F值有三个,分别是F< | |
- | (4)确定临界F值 | + | |
- | + | //Here the critical F-values are three, which areF< | |
- | 这里临界F值有三个,分别是F< | + | |
---- | ---- | ||
=== 3、计算F统计量 Calculating the F-statistic === | === 3、计算F统计量 Calculating the F-statistic === | ||
- | (1)根据前面算出的各个值作出如下所示的方差分析表: | + | * 根据前面算出的各个值作出如下所示的方差分析表 |
{{ :: | {{ :: | ||
- | (2)画出交互作用图 | + | * 画出交互作用图 |
---- | ---- | ||
=== 4、得出检验结论 Drawing test conclusions === | === 4、得出检验结论 Drawing test conclusions === | ||
根据算出的各个F值与相应F临界值的比较结果决定是否接受虚无假设。 | 根据算出的各个F值与相应F临界值的比较结果决定是否接受虚无假设。 | ||
+ | |||
+ | The decision to accept the null hypothesis is based on the results of the comparison of the calculated individual F values with the corresponding F critical values. | ||
+ | |||
注意当因素之间的交互效应显著时要进行简单主效应分析,即确定一个因素水平,对另一因素的不同水平作单因素ANOVA。 | 注意当因素之间的交互效应显著时要进行简单主效应分析,即确定一个因素水平,对另一因素的不同水平作单因素ANOVA。 | ||
+ | |||
+ | Note that when the interaction effect between factors is significant a simple main effects analysis is performed, i.e., a factor level is determined and a one-factor ANOVA is done for a different level of another factor. | ||
二因素anova的统计过程.1712888413.txt.gz · 最后更改: 2024/04/12 02:20 由 caomingsu