C. the CLASS statement. D. multiple WHERE statements. (The question is pretty clear-cut, IMO. It alludes to the "standard" long- > bearded practical trick used in the situation when MEANS/SUMMARY with CLASS > uses too much memory. It does not ask what is more efficient in general ...
d. multiple where statements. (the question is pretty clear-cut, imo. it allu 2、des to the standard long- bearded practical trick used in the situation when means/summary with class uses too much memory. it does not ask what is more efficient in general (which would be to use ...
Item 1 of 63 Mark item for review When attempting to minimize memory usage, the most efficient way to do group processing when using the MEANS procedure is to use: A. the BY statement. B. GROUPBY with the NOTSORTED specification. C. the CLASS statement. D. multiple WHERE statements. It...
Item1of63MarkitemforreviewWhenattemptingtominimizememoryusage,themostefficientwaytodogroupprocessingwhenusingtheMEANSprocedureistouse:A.theBYstatement.B.GROUPBYwiththeNOTSORTEDspecification.C.theCLASSstatement.D.multipleWHEREstatements.Item2of63MarkitemforreviewTheSASdatasetWORK.CHECKhasavariablenamedId_Codeinit....
Item1of63MarkitemforreviewWhenattemptingtominimizememoryusage,themostefficientwaytodogroupprocessingwhenusingtheMEANSprocedureistouse:A.theBYstatement.B.GROUPBYwiththeNOTSORTEDspecification.C.theCLASSstatement.D.multipleWHEREstatements.Item2of63MarkitemforreviewTheSASdatasetWORK.CHECKhasavariablenamedId_Codeinit....
Macro statements: 第二阶段是开始写些宏命令、使用宏程序等。达到这个阶段的学习曲线不算太陡峭。 Dynamic programming: 动态编程。 前面举的例子中,定义逻辑库名称和位置,就是code substitution发挥作用的所在;包一个宏程序,可以算是第二阶段的使用了。
5. WHERE statement can not be used when reading data using INPUT statement whereas IF statement can be used. 6. Multiple IF statements can be used to execute multiple conditional statements 7. When it is required to use newly created variables, use IF statement as it doesnt require variables...
27、r many years of development, SAS has now become a complete set of computer language, and its user interface is also fully embodied the characteristics: It uses MDI (Multiple Document interface), the user input program in the PGM window, the results of the analysis in the form of text...
开通VIP 数据整合 SAS数据整合解决方案通过提供完整的数据整合功能: 为企业提供一个全面的、易于使用的解决方案,消除由于IT部门为每个整合项目编写定制代码或者对各种未整合的技术进行整合所需的时间和成本。 通过确保数据整合流程的质量并提供有关客户、产品和其它实体的全面信息,杜绝由于数据不准确、存在冲突或者不一致而...
It can also combine the results from multiple PROC statements in one single file.SyntaxThe basic syntax for using the ODS statement in SAS is −ODS outputtype PATH path name FILE = Filename and Path STYLE = StyleName ; PROC some proc ; ODS outputtype CLOSE; ...