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import pandas as pd

# ¶ÁÈ¡´ó¹æÄ£Êý¾ÝÎļþ
data = pd.read_csv('large_data.csv')

# Éó²éÊý¾ÝÇ°¼¸ÐÐ
print(data.head())

# Éó²éÊý¾Ýͳ¼ÆÐÅÏ¢
print(data.describe())

# Êý¾Ýϴ媺ʹ¦Àí
data.dropna()  # ɾ³ýȱʧֵ
data = data[data['column_name'] > 0]  # ¹ýÂËÊý¾Ý
data['new_column'] = data['column1'] + data['column2']  # ½¨ÉèÐÂÁÐ

# Êý¾Ý¿ÉÊÓ»¯
import matplotlib.pyplot as plt

plt.plot(data['column_name'])
plt.xlabel('X-axis label')
plt.ylabel('Y-axis label')
plt.title('Data Visualization')
plt.show()

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