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[求助]
關(guān)于選擇什么統(tǒng)計(jì)分析比較好
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各位大師,求幫助~~! 最近的一個(gè)文章返回,審稿人的意見是我的ANOVA用的不合適。我的原始意思是有三組不同類型的湖泊,然后我想看這三組類型的湖泊中,里面的環(huán)境變量(a1,a2,a3) (b1,b2,b3)、(c1,c2,c3)在各組之間是否是否有顯著性差異。我弄完分析之后,編輯的回復(fù)是: The use of ANOVA tests, as has been done, does not seem right to me: the lakes appear to differ quite dramatically in the key variables used to group them (i.e. fish yield). The groups should be made based on the variation of the data, for instance, by ordination techniques that clearly identified the importance or association of the different characteristics (fish yield, cyanobacteria biomass and TP) with each lake. The belonging of each lake to each particular group should then be tested, if ANOVA was going to be applied. Besides, there is an overlap between fish yield and nutrient concentrations (e.g. type 2 lakes), which makes the use of ANOVA even more complicated since the two factors cannot be fully disentangled. A variance partitioning technique should be used here to determine how much of the variance in zooplankton size depends on fish and how much on cyanobacteria, for instance. However, the application of regression techniques, as done afterwards, seems more appropriate. 不知道現(xiàn)在做什么樣的分析比較合適,請(qǐng)教各位大師了 |
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