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Mathematics版 - ask for help about sas contrast statement-包子酬谢 (转载)
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相关话题的讨论汇总
话题: timepoint话题: contrast话题: statement话题: 酬谢话题: effects
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发帖数: 473
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【 以下文字转载自 Statistics 讨论区 】
发信人: wz99331 (dotti), 信区: Statistics
标 题: ask for help about sas contrast statement-包子酬谢
关键字: baow
发信站: BBS 未名空间站 (Wed Oct 18 22:53:01 2017, 美东)
Dear all,
I am trying to study if the SBT(a phenotype) change from timepoint 3 to
timepoint 7 are different for case and control. The condition has two
levels(case vs control) and timepoint have three levels(0,3,7), I need to
write a contrast statement,here is my code:
contrast 'SBT change over time for case vs control '
condition*timepoint 0 -0.5 0.5 0 0.5 -0.5 ;
in the contrast statement, I also have to include the main effects.
Could you tell me for my case how should I write the sas code including both
main effects and interaction effects? Thank you very much!
对有帮助的回帖一定包子酬谢!
1 (共1页)
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相关话题的讨论汇总
话题: timepoint话题: contrast话题: statement话题: 酬谢话题: effects