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longxiaobao新蟲 (初入文壇)
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[求助]
怎么算置信區(qū)間 已有2人參與
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投了一篇文章,返回的審稿意見要求算置信區(qū)間,,,求各位大神幫忙解答 審稿專家要求針對(duì)實(shí)驗(yàn)數(shù)據(jù),增加置信區(qū)間。具體要求如下: Results should present confidence intervals to show statistical significance. However, the way results are presented probably do not allow proper statistical tests because many different DAGs and configurations are used, yielding large deviations from the mean. Anyway, since the averages do not differ a lot, statistical tests are important to show that these averages are "confidently enough" separate from each other. |
禁蟲 (小有名氣)
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本帖內(nèi)容被屏蔽 |
木蟲 (著名寫手)
新蟲 (初入文壇)
木蟲 (著名寫手)
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t測(cè)試可以做多樣本,但是沒有必要,因?yàn)樽杂啥榷嗔酥缶椭苯幼兂烧龖B(tài)分布了,不需要查表了。這時(shí)直接用差值除以標(biāo)準(zhǔn)差就好 發(fā)自小木蟲IOS客戶端 |
新蟲 (初入文壇)
木蟲 (著名寫手)
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t統(tǒng)計(jì)=(擬合值-假設(shè)值)/標(biāo)準(zhǔn)差 自由度較大時(shí),如果是正態(tài)分布,標(biāo)準(zhǔn)差就是正常的正態(tài)分布標(biāo)準(zhǔn)差的算法;自由度低時(shí)才需要查t分布 調(diào)t統(tǒng)計(jì)對(duì)應(yīng)的p值是你要的置信度時(shí)的假設(shè)值就是置信區(qū)間邊界 發(fā)自小木蟲IOS客戶端 |
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