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get_spm_globals added #15

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get_spm_globals added #15

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12 changes: 10 additions & 2 deletions spm_funcs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -54,8 +54,16 @@ def get_spm_globals(fname):
spm_vals : array
SPM global metric for each 3D volume in the 4D image.
"""
# +++your code here+++
# return
#- Load the image given by "fname".
img = nib.load(fname)
#- Get the data
data = img.get_fdata()
#- Calculate the SPM global value for each volume.
spm_vals = []
for vol in range(data.shape[-1]):
glob = spm_global(data[..., vol])
spm_vals.append(glob)
return spm_vals # Return the result.
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What is the type of spm_vals?

If you read the docstring (line 54 above) it says array, which is very unclear but seems to refer to a numpy.array, however, you return a basic list here. Consider converting it to array before returning or else downstream methods could fail. For instance, with the current implementation you would not be able to do:

average_spm = get_spm_globals(nifti_file).mean()



def main():
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