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wdf新蟲 (初入文壇)
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[求助]
不太明白返回意見中關(guān)于統(tǒng)計(jì)方法的意見
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各位大俠,小弟投稿Animal,現(xiàn)在終于返修了,審稿意見中關(guān)于統(tǒng)計(jì)方法的意見有些不太明白,希望各位大俠幫忙看看。 原來(lái)的分析方法我是用的單因素多重比較,用means±sd。審稿人的意見如下:On the statistics section: for analysis of variance you need to check homogeneity of variance of the model residuals(這個(gè)是什么意思?該如何解決). Please check and mention in the text. I was also wondering why you did not analyze the experiment as a 2 x 3 factorial design + added control. Would provide a much stronger analysis as it does not lean strongly on a post-hoc multiple comparison test(這句也不太明白). You actually have 2 levels of A (.5 and 2) and 3 levels of B (0, 300, 600). You could also test interactions between these factors. Then compare selected treatments with control using predesigned hypothesis testing (contrast procedure in SAS). It would also facilitate interpretation. Sorry I did not pick it up in the first version. 該如何應(yīng)對(duì)?請(qǐng)各位大俠指點(diǎn)。 |
木蟲 (小有名氣)
| 你的實(shí)驗(yàn)設(shè)計(jì)是2 x 3,按照常規(guī)來(lái)說(shuō),應(yīng)該是用多因素方差分析。相比于單因素方差分析,多因素方差分析出來(lái)的結(jié)果會(huì)更strong,而不是僅僅像你現(xiàn)在一樣依賴于事后檢驗(yàn)。如果能出交互作用的話,就更有意思啦。。。就你現(xiàn)在的數(shù)據(jù),我確實(shí)也覺得不應(yīng)該進(jìn)行簡(jiǎn)單的單因素方差分析。這樣可能是錯(cuò)過(guò)更有意思的結(jié)果。 |

木蟲 (著名寫手)
鐵桿木蟲 (知名作家)
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