Hi,
> The Error for the two missing ROI's is:
>
> Warning: No valid data for ROI 2(clusters_based_on_beta_AL_-32_-40_-28)
> >In maroi.get_marsey at 80
> in marsbar at 957
> in SPM at 1276
> Fletching data
This sometimes happens when the ROI is near the edge of the brain.
You can usually fix this by turning off the default linear
interpolation scheme for the ROIs - because the problem often occurs
when sampling from voxels next to NaN values in the image - leading to
NaNs:
R = mardo('my_roi.mat');
R = spm_hold(R, 0); % nearest neighbour resampling
saveroi(R, 'my_nn_roi.mat');
Best,
Matthew
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