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Hello,
           fslstats parses the input options sequentially, also to  
match fslmeants you probably want to use the -m option:

fslstats test.nii.gz -k mask.nii.gz -m

should give the same result as:

fslmeants -i test.nii.gz -m mask.nii.gz

Many Regards

Matthew


> Dear All:
>
> I have tried following two commands to acquire mean FA values within  
> a mask and I expected that the two commands should generate same  
> mean values.
>
> fslstats input_img -M -k my_mask
>
> or
>
> fslmeants -i input_img -m my_mask
>
> I got two very different means from these two commands. It will be  
> highly appreciated if anyone can make suggestions.
>
>
> Best Regards
>
> Jiansong
>
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