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Mon, 11/18/2013 - 08:46kobejuan各位老师大家好,我一共有两组数据(一组病人给予药物干预,另一组不干预。每组病人都进行了干预前后的磁共振扫描)。我把两组数据都用spm做了longitudinal预处理。现在用Flexible Factorial Design 对两组纵向数据进行统计分析,得到下面的一个矩阵图(G1代表干预组,G2代表对照组,C1代表干预前,C2代表干预后,Age是协变量)。我想问一下老师要看G1组干预前后两个时间点配对比较、G2组干预前后两个时间点配对比较分别怎么设contrast...7931 reads
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Sat, 11/16/2013 - 19:27LiangHong老师您好: 四组被试(三组病人,一组正常人),每个人分别有三次扫描,定义了两个主效应:group(组)和condition(代表三次扫描);一个交互效应:group*condition。采用spm的flexible factorial design设计好矩阵,想看group和condition及这两者的主效应,contrast weight分别应该怎么定义? 期待各位老师回答5971 reads
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Fri, 11/15/2013 - 03:33Mamtis13Dear experts, I wanted to seek confirmation that DPARSFA runs exactly the same way regardless of whether the input are .nii images or .img/.hdr images? In your script it seems that the code accepts both formats, but I wanted to be sure that using .img/....4191 reads
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Fri, 11/15/2013 - 03:33Mamtis13Dear experts, I wanted to seek confirmation that DPARSFA runs exactly the same way regardless of whether the input are .nii images or .img/.hdr images? In your script it seems that the code accepts both formats, but I wanted to be sure that using .img/....2527 reads