Skip to content

dvars fixing #5

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

dvars fixing #5

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 7 additions & 3 deletions findoutlie/metrics.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,8 @@
"""

# Any imports you need
# +++your code here+++

import numpy as np
import nibabel as nib

def dvars(img):
""" Calculate dvars metric on Nibabel image `img`
Expand All @@ -29,4 +29,8 @@ def dvars(img):
# You may be be able to solve this in four lines, without a loop.
# But solve it any way you can.
# This is a placeholder, replace it to write your solution.
raise NotImplementedError('Code up this function')
data = img.get_fdata()
diff = np.diff(data, axis=-1)
dvar = np.sqrt(np.mean(diff.reshape(-1, diff.shape[-1])**2, axis=0))

return dvar