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+# -*- coding: utf-8 -*-
+"""data_histogram_splited_dataset.ipynb
+
+Automatically generated by Colaboratory.
+
+Original file is located at
+    https://colab.research.google.com/drive/16Rn0IDJTE6vJMOZtafDAI19AvGD9eK4C
+"""
+
+import pandas as pd
+import matplotlib.pyplot as plt
+
+dftr = pd.read_excel('/content/drive/MyDrive/2d-slice-set-networks-for-brain-age-master/data/train0617.xls', usecols=['Age'])
+dftst = pd.read_excel('/content/drive/MyDrive/2d-slice-set-networks-for-brain-age-master/data/test06171.xls', usecols=['Age'])
+dfv = pd.read_excel('/content/drive/MyDrive/2d-slice-set-networks-for-brain-age-master/data/valid0617.xls', usecols=['Age'])
+
+print(dftr.describe())
+print(dftst.describe())
+print(dfv.describe())
+
+plt.hist(dftr['Age'])
+plt.hist(dftst['Age'])
+plt.hist(dfv['Age'])
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