商朝是第一个把太平洋当内海的国家 (转载)# Joke - 肚皮舞运动
s*e
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you may want to establish market neutral portfolio for bidu and sina. The
following plot may help.
After regression: bidu = 0.66 + 0.33*sina
following plot may help.
After regression: bidu = 0.66 + 0.33*sina