SAS-Base认证考试—70题(21-30).doc

文档介绍：该【SAS-Base认证考试—70题(21-30) 】是由【才艺人生】上传分享，文档一共【22】页，该文档可以免费在线阅读，需要了解更多关于【SAS-Base认证考试—70题(21-30) 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。SAS-Base认证考试—70题(21-30)SASBase认证考试—70题(21-30):?ProdId???Price???ProductType???Sales???Returns?------???-----???-----------???-----???-------?K12S????????OUTDOOR??????????15?????????2?B132S????????CLOTHING????????300????????10?R18KY2??????EQUIPMENT????????25?????????5?3KL8BY???????OUTDOOR?????????125????????15?DY65DW???????OUTDOOR??????????45?????????5?DGTY23??????EQUIPMENT????????67?????????2ThefollowingSASprogramissubmitted:本题知识点:IF子集、OUPUT语句子集IF语句对满足条件的观测输出到正在被创建的数据集中。?Q22WhichstepdisplaysalistingofallthedatasetsintheWORKlibrary?=WORKrun;=;run;=;run;=WORK_ALL_;run;答案:C?本题知识点:ONTENTS过程默认自动打印最近创建的数据集的描述信息ONTENTS;RUN;打印当前目录下的全部数据集的描述信息ONTENTSDATA=_ALL_;RUN;打印WORK临时逻辑库下数据集的描述信息ONTENTSDATA=;RUN;?Q23WhichisavalidLIBNAMEstatement?"_SAS_data_library_location_";"_SAS_data_library_location_";"_SAS_data_library_location_";"_SAS_data_library_location_";答案:C?本题知识点:LIBNAME定义逻辑库参考第12题。?Q24Giventhefollowingrawdatarecords:?----|----10---|----20---|----30?Susan*12/29/1970*10?Michael**6Thefollowingoutputisdesired:?Obs?employee??bdate?years??1??Susan??????4015???10??2??Michael???????.????6WhichSASprogramcorrectlyreadsintherawdata?;???????infile'filespecification'dlm='*';??????inputemployee$bdate:;????run;;??????????infile'filespecification'dsd='*';??????????inputemployee$;????run;;??????????infile'filespecification'dlmdsd;??????inputemployee$;????run;?;??????infile'filespecification'dlm='*'dsd;???????????inputemployee$bdate:;?????run;答案:D?本题知识点:INFILE语句参考第2题。?Q25Giventhefollowingcode:?procprintdata=(firstobs=5obs=15);???whereSex='M';?run;Howmanyobservationswillbedisplayed?:D?本题知识点:WHERE子集计算15-5+1=11个。WHERE子集的观测最多为11个。?Q26WhichstepsortstheobservationsofapermanentSASdatasetbytwovariablesandstoresthesortedobservationsinatemporarySASdataset?=EMPLOYEESdata=EMPSORT;????????????byLnameandFname;????run;==EMPSORT;???????????byLnameFname;???run;==;??????byLnameFname;????run;==;???????????byLnameandFname;????run;答案:B?本题知识点:永久数据集、??????逻辑库?????数据集DATAweight;??????????????work(默认)??;??????work???????????????;??????Bikes??????????????永久的?:?Day?Month?Temp