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2681 Enhance partition_dataset_classes #2761

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Merged
wyli merged 5 commits into from
Aug 13, 2021
Merged

2681 Enhance partition_dataset_classes #2761

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42a45e0
Merge pull request #19 from Project-MONAI/master
Nic-Ma Feb 1, 2021
cd16a13
Merge pull request #32 from Project-MONAI/master
Nic-Ma Feb 24, 2021
6f87afd
Merge pull request #180 from Project-MONAI/dev
Nic-Ma Jul 22, 2021
6717df5
Merge pull request #195 from Project-MONAI/dev
Nic-Ma Aug 13, 2021
28686fd
[DLMED] enhance partition_data_classes
Nic-Ma Aug 13, 2021
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2 changes: 1 addition & 1 deletion monai/data/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -960,7 +960,7 @@ def partition_dataset_classes(
[[2, 8, 4, 1, 3, 6, 5, 11, 12], [10, 13, 7, 9, 14]]

"""
if not classes or len(classes) != len(data):
if not issequenceiterable(classes) or len(classes) != len(data):
raise ValueError(f"length of classes {classes} must match the dataset length {len(data)}.")
datasets = []
class_indices = defaultdict(list)
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5 changes: 3 additions & 2 deletions tests/test_partition_dataset_classes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@

import unittest

import numpy as np
from parameterized import parameterized

from monai.data import partition_dataset_classes
Expand Down Expand Up @@ -59,8 +60,8 @@

TEST_CASE_4 = [
{
"data": [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14],
"classes": [2, 0, 2, 1, 3, 2, 2, 0, 2, 0, 3, 3, 1, 3],
"data": np.array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]),
"classes": np.array([2, 0, 2, 1, 3, 2, 2, 0, 2, 0, 3, 3, 1, 3]),
"ratios": [1, 2],
"num_partitions": None,
"shuffle": True,
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