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应该是一个容易回答的问题...我做错了吗?我可以不投多个列吗?铸造多列astype
>>> val results2 = results.select(results["HCAHPS Base Score"].cast(IntegerType).as(results["HCAHPS Base Score"]), results["HCAHPS Consistency Score"].cast(IntegerType).as(results["HCAHPS Consistency Score"]))
File "<stdin>", line 1
val results2 = results.select(results["HCAHPS Base Score"].cast(IntegerType).as(results["HCAHPS Base Score"]), results["HCAHPS Consistency Score"].cast(IntegerType).as(results["HCAHPS Consistency Score"]))
^
SyntaxError: invalid syntax
语法错误不断弹出对周围的逗号...
为什么''val''仅使用''结果2 = results.select(结果[ “HCAHPS基本分数”]。铸造(IntegerType)。如(结果[ “HCAHPS基本分数”]),结果[ “HCAHPS一致性评分”]。cast(IntegerType).as(results [“HCAHPS一致性评分”)))'' –
仍然会出现语法错误,这次在第一个引号结束后的最后:result [“HCAHPS一致性评分“]) –
现在是什么错误? –