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单选题 Asssuming you are using SAS code and not special SAS windows, which one of the following statements is false
学科：统计软件与应用
时间：2024-01-08 05:29:36
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题目1单选题
SAS系统中常用的分析模块有哪两部分A. SAS/GRAPH和SAS/STATB. SAS/GRAPH和BaseSASC. Base SAS和SAS/STATD. Base SAS和ETS
题目2单选题
SAS程序的每条语句必须以什么符号结束A. 逗号","B. 分号";"C. 点句号"."D. 单引号"""
题目3单选题
下面数据集中变量AcctNum的类型是什么?<img src="https://tihai-oss-cloud.itihey.com/img/99c1addba1ffd248d90a496c4489a105.png">A. 数值型B. 字符型C. 可能是数值,也可能是数值D. 根据已有信息无法确定
题目4单选题
Which of the following variable names is validA. 4BirthDateB. $CostC. _Items_D. Tax-Rate
题目5单选题
in order for the date values 05May1955 and 04Mar2046 to be read correctly, what value must the YEARCUTOFF= option haveA. a value between 1947 and 1954, inclusiveB. 1955 or higherC. 1946 or higherD. any value
题目6单选题
The following SAS program is submitted:data WORK.DATE_INFO;X='04jul2005'd;DayOfMonth=day(x);MonthOfYear=month(x);Year=year(x);run;What types of variables are DayOfMonth, MonthOfYear, and YearA. DayOfMonth, Year, and MonthOfYear are characterB. DayOfMonth, Year, and MonthOfYear are numericC. DayOfMonth and Year are numeric. MonthOfYear is characterD. DayOfMonth, Year, and MonthOfYear are date values
题目7单选题
The following SAS program is submitted:data work.new;mon= 3;day = 23;year =2000;date = mdy(mon,day,year);run;Which one of the following is the value of the DATE variableA. a character string with the value '23mar2000'B. a character string with the value '03/23/2000'C. a numeric value of 14692, which represents the SAS date value for March 23, 2000D. a numeric value of 3232000, which represents the SAS date value for March 23, 2000
题目8单选题
Which is a valid LIBNAME statementA. libname "_SAS_data_library_location_B. sasdata libname "_SAS_data_library_location_"C. libname sasdata "_SAS_data_lib"D. libname sasdata sas "_SAS_data_library_location_"
题目9单选题
Asssuming you are using SAS code and not special SAS windows, which one of the following statements is falseA. LIBNAME statements can be stored with a SAS program to reference the SAS library automatically when you submit the programB. When you delete a libref, SAS no longer has access to the files in the library. However, the contents of the library still exist on your operating systemC. Librefs can last from one SAS session to anotherD. You can access files that were created with other vendors' software by submitting a LIBNAME statement
题目10单选题
Which statement describes a characteristic of the SAS automatic variable _ERROR_A. The _ERROR_ variable maintains a count of the number of data errors in a DATA stepB. The _ERROR_ variable is added to the program data vector and becomes part of the data set being createdC. The _ERROR_ variable can be used in expressions in the DATA stepD. The _ERROR_ variable contains the number of the observation that caused the data error
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