股票数据是连续的数值型数据，而不是逻辑型的。

However, the data of stock is not Boolean but series.

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如果该数据类型不是数值型，那么这个字段就会增加到行标签区域。

If the data type is non-numeric, the field is added to the Row Labels area.

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如果该数据类型不是数值型，那么这个字段就会增加到行标签区域。

If the data type is non-numeric, the field is added to the Row Labels area.

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