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Docs/SK-901: Fixes related to README format (#646)
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Original file line number | Diff line number | Diff line change |
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@@ -1,6 +1,5 @@ | ||
lr: 0.01 | ||
batch_size: 32 | ||
local_epochs: 10 | ||
batch_size: 8 | ||
local_epochs: 1 | ||
num_workers: 1 | ||
sample_size: 30 | ||
split_index: 4 |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,66 @@ | ||
import os | ||
import sys | ||
import numpy as np | ||
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import yaml | ||
from monai.apps import download_and_extract | ||
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def split_data(data_path="data/MedNIST", splits=100, validation_split=0.9): | ||
# create clients | ||
clients = {"client " + str(i): {"train": [], "validation": []} for i in range(splits)} | ||
print("splits: ", splits) | ||
for class_ in os.listdir(data_path): | ||
if os.path.isdir(os.path.join(data_path, class_)): | ||
patients_in_class = [os.path.join(class_, patient) for patient in os.listdir(os.path.join(data_path, class_))] | ||
np.random.shuffle(patients_in_class) | ||
chops = np.int32(np.linspace(0, len(patients_in_class), splits + 1)) | ||
for split in range(splits): | ||
p = patients_in_class[chops[split] : chops[split + 1]] | ||
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valsplit = np.int32(len(p) * validation_split) | ||
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clients["client " + str(split)]["train"] += p[:valsplit] | ||
clients["client " + str(split)]["validation"] += p[valsplit:] | ||
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if split == 0: | ||
print("len p: ", len(p)) | ||
print("valsplit: ", valsplit) | ||
print("p[:valsplit]: ", p[:valsplit]) | ||
print("p[valsplit:]: ", p[valsplit:]) | ||
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with open(os.path.join(os.path.dirname(data_path), "data_splits.yaml"), "w") as file: | ||
yaml.dump(clients, file, default_flow_style=False) | ||
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def get_data(out_dir="data", data_splits=10): | ||
"""Get data from the external repository. | ||
:param out_dir: Path to data directory. If doesn't | ||
:type data_dir: str | ||
""" | ||
# Make dir if necessary | ||
if not os.path.exists(out_dir): | ||
os.mkdir(out_dir) | ||
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resource = "https://github.com/Project-MONAI/MONAI-extra-test-data/releases/download/0.8.1/MedNIST.tar.gz" | ||
md5 = "0bc7306e7427e00ad1c5526a6677552d" | ||
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compressed_file = os.path.join(out_dir, "MedNIST.tar.gz") | ||
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data_dir = os.path.abspath(out_dir) | ||
print("data_dir:", data_dir) | ||
if os.path.exists(data_dir): | ||
print("path exist.") | ||
if not os.path.exists(compressed_file): | ||
print("compressed file does not exist, downloading and extracting data.") | ||
download_and_extract(resource, compressed_file, data_dir, md5) | ||
else: | ||
print("files already exist.") | ||
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split_data(splits=data_splits) | ||
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if __name__ == "__main__": | ||
# Prepare data if not already done | ||
get_data(data_splits=int(sys.argv[1])) |
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