如:EarthDay08 = ‘ 22APR208 ’D;日期格式为DATE w.将日期用引号包围,然后后面加”D“,作为日期标识符。该表达式生成了一个名为EarthDay08的变量,其值 等于 SAS Date value ”April 22,2008“。 FunctionsSAS Datefunctions可以执行一系列方便的操作。如:计算年龄AGE = INT ( YRDIF ( BirthDate, TODAY( ...
1.truncation 2.character 3.date and time 4.mathematical 5.special 6.sample statistics 7.arithmetic 8.financial 9.random number 10.state and ZIP code 二、Variable Lists 在SAS Function中使用OF Variable Lists: 三、Manipuating Character Values substr(varc,location,length):截取字符串; left\right(va...
The DATEPART function determines the date portion of the SAS datetime value and returns the date as a SAS date value, which is the number of days from January 1, 1960. datepart函数接受的是sas的datetime。timepart函数同理,获取时间部分。 /*create dataset*/ data original_data; input some_dateti...
· The LENGTH and LENGTHN functions return the same value for non-blank character strings. LENGTH returns a value of 1 for blank character strings, whereas LENGTHN returns a value of 0. · The LENGTH function returns the length of a character string, ex...
489 where year(date)>1996; /*Where语句中使用Year函数*/ 490 run; NOTE: 从数据集 RESDAT.IDX000001. 读取了 2365 个观测 WHERE YEAR(date)>1996; NOTE: 数据集 WORK.A 有 2365 个观测和 20 个变量。 NOTE: 压缩的数据集 WORK.A 大小减少了 0.00%。
Using date and time constants and variables in SAS(R) is sometimes difficult to grasp even for the advanced SAS user. This tutorial will cover how to use date and time constants, INFORMATS, FORMATS, functions, using PICTURE format directives, how to set up date ranges in user formats, and...
DATE函数以SAS日期值的形式返回当前日期。 DATE Function Returns the current date as a SAS date value. DATETIME函数以SAS DATETIME值的形式返回当前日期和时间。 DATETIME Function Returns the current date and time of day as a SAS datetime value. DHMS函数从日期、小时、分钟和秒值中返回SAS datetime值。
When a date or datetime value is read with one of theseinformats, 1. a missing month is supplied a default value of January。 2. a missing day is supplied a default value of 1. 3. If atimeportion isn't provided, SAS® storesa time of midnight. ...
date, time, or datetime value by a given interval, and returns a date, time, or datetime value JULDATE Returns the Julian date from a SAS date value JULDATE7 Returns a seven-digit Julian date from a SAS date value MDY Returns a SAS date value from month, day, and year values MINUTE...
Y-M-D H:m:S)EN一、时间戳转换日期 1 function formatDate(datetime) { 2 // 获取年月日...