SAS运算符包括算术、比较、逻辑等运算符。 逻辑运算符 = ^= > < >= <= IN EQ NE GT LT GE LE IN是一个SAS特有的比较运算符,用来检查某个变量的取值是否在一个给定列表中,比如: prov in ('北京','天津','上海') 逻辑运算符:&(AND) l (OR) ^(NOT) 连接两个字符串的l l(两个连续的l号) ...
%macro test;%letdslist=ds1\sheetname1\contents1\title1|ds2\sheetname2\contents2\title2|ds3\sheetname3\contents3\title3;%leti=1;%do%while(%qscan(&dslist,&i,|)^=%str());%letlist&i=%qscan(&dslist,&i,|);%letdsn&i=%qscan(&&list&i.,1,\);%letsht&i=%qscan(&&list&i.,2,\)...
quit; 2.6.2 in:只要满足in里的任意一个值,表达式即为真,例如,我们要选择Region在Africa和Eastern Europe的所有数据: proc sql; select * from sashelp.shoes where Region in ('Africa','Eastern Europe'); quit; 2.6.3 逻辑运算符 OR ...
步骤1 启动系统进入BIOS,进入Advanced菜单,选中“PCIe Devices List”选项并进入: 图 9‑1进入PCIe Devices List 步骤2 将LSI Logic SAS controller下的Option ROM P0选项设置为“UEFI”按下F4后保存,重启服务器: 图 9‑2将SAS3808 Option ROM设置为UEFI 5.2 进入HBA卡...
l or L adds lowercase letters to the list of characters. n or N adds digits, the underscore character, and English letters to the list of characters. o or O processes the second and third arguments once rather than every time the COMPRESS function is ...
SAS的报错记录:有MERROR(找不到macro)、SERROR(找不到变量)、MLOGIC(SAS将在日志中输出详细的执行情况)、MPRINT(SAS将在日志中输出翻译出来的SAS代码)、SYMBOLGEN(SAS将在日志中输出变量当时的赋值)。 SAS常见程序错误 最常见的大概就是少了结尾的分号...这里的报错一般是:ERROR 180-322: Statement is not vali...
INOBS = N 控制读入表的行的数目。(读入表的前N行。) CREATE从句 Create 从句, 将查询到的数据存储成SAS 数据集。 语法:CREATE TABLE 库名 . 表名 AS proc sql outobs=10number;title"The First Ten Car Models In The List";select distinct cars.make,cars.modelfromsashelp.cars;quit; ...
相对于List方法,Column读数据方法有如下优点:(1) 变量值之间无需用空格分开;(2) 可以空格表示缺失值;(3) 字符型数据中可包括空格;(4) 7、60; 可跳过数据。程序举例:INPUT Name $ 1-10 Age 11-13 Height 14-18;使用格式命令读入非标准格式的数据字符型数据: $informat w.数值型数据: informat w.d...
data outdata;setindata;/**Imputation of AESTDTC**;*/iflength(strip(AESTDTC))>=10then ASTDT=input(AESTDTC,yymmdd10.);ifnotmissing(ASTDT)then ASTDT_IMP=ASTDT;elseifmissing(ASTDT)andnotmissing(AESTDTC)then do;iflength(AESTDTC)=7then do;/**Impute Day**;*/ASTDT_IMP=input(strip(AEST...
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