NO.PZ2019012201000027
问题如下：
How many of the following statements about style analysis is incorrect?
Statement 1 Holdings-based style analysis is more accurate than returns-based analysis because it uses the actual portfolio holdings.
Statement 2 The limited data makes holdings-based style analysis less effective.
选项：
A.One
B.Two
C.None
解释：
C is correct.
考点：Equity investment style classification
解析：题干中两个表述都是正确的。
The limited data makes holdings-based style analysis less effective. 这里面limited data怎么理解？
另外，holding based approach 一定比return based approach准确是吗？（statement 1）
