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November 08, 2018 05:43PM
Hi,

We noticed that running 3dClustSim on two different masks resulted in higher cluster thresholds for the smaller mask (237709 voxels) than the larger one (246932 voxels). The acf values were very similar (they came from the same sample), but just to test it I ran the 3dClustSim command for the smaller mask with the acf values from the larger one, and this lowered the thresholds only a little bit, so does not seem to be accounting for the discrepancy.

Shouldn't the smaller mask have lower cluster-size thresholds? Any ideas about what might be accounting for this?

Thanks,
Kara
Subject Author Posted

3dClustSim Thresholds

kkerr November 08, 2018 05:43PM

Re: 3dClustSim Thresholds

ptaylor November 08, 2018 10:35PM

Re: 3dClustSim Thresholds

kkerr November 09, 2018 11:29AM

Re: 3dClustSim Thresholds

ptaylor November 09, 2018 04:53PM

Re: 3dClustSim Thresholds

rick reynolds November 09, 2018 11:30AM

Re: 3dClustSim Thresholds

kkerr November 09, 2018 11:53AM

Re: 3dClustSim Thresholds

rick reynolds November 09, 2018 02:49PM

Re: 3dClustSim Thresholds

kkerr November 12, 2018 11:18AM

Re: 3dClustSim Thresholds

rick reynolds November 13, 2018 10:42AM



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