8、YYQ函数从年和季度年的值中返回SAS日期值,日期为指定季度的1号。 The YYQ function returns a SAS date value that corresponds to the first day of the specified quarter. If eitheryearorquarteris missing, or if the quarter value is not valid, the result is missing. Syntax : YYQ(year,quarter...
其中, call missing(key,variable_1) 避免log中出现数据未初始化的提醒。 5. 定义hash对象的 步骤: length d $20;length k $20;if_N_=1thendo;declare hashh();rc=h.defineKey('k');rc=h.defineData('d');rc=h.defineDone();end; 因为: 在 hash object 中 定义的 Key 和 Data 并不会自动的...
ceil);*create a data set named "want" contains a variable "group" ;data want;set &ds;by &var;if _n_=1 then cnum=0; cnum+1; group=ceil(cnum/&gn);
Graph: Refers to the individual output that is created by the procedure. In most of the common use cases, each execution of the procedure creates one graph output file. Often these procedures produce multiple output files (for BY variable usage, or paging of large panels), each of which is...
If the first record(s) contains header information such as variable names, then set firstobs=n where n is the record numbe 42、r where the data actually begin. For example, if you are reading a comma separated file or a tab separated file that has the variable names on the first line...
The identifier of the module that contains the step to execute. step stepId True string The identifier of the step to execute. name name string Name of the variable. value value The value of the variable. Returns This type describes the output values that are returned when a step is execut...
The identifier of the module that contains the step to execute. step stepId True string The identifier of the step to execute. name name string Name of the variable. value value The value of the variable. Returns This type describes the output values that are returned when a step is execut...
source:identifies the constant, variable, or expression whose value you want to reformat. Thesource argument can be character or numeric format:contains the SAS format that you want applied to the value that is specified in the source 将数值型或字符型转化为字符型 ...
IDvariables :会remove前面的observation 数,换成variable Select Obeservations method1:where[只有where才可以与contains连用,if不可以] method2:FIRSTOBS=n(从第#nline开始读) andOBS=n(读到n为最后一行) 3. process data 1. sort data 默认ascending ...
Using %IF-%THEN-%ELSE in SAS Programs Doing More with SAS Studio Working with Queries Understanding Process Flows Setting Your Preferences Writing Your First Custom Task Accessing Data Accessing Data in SAS Libraries (Video) How Do I Access Data in SAS?