In SAS, do loop arrays are made easily to triage and transform the datas with index-based values. It is nothing but a set of variables of the same type that can be performed using the same operation referenced b
SAS迭代DO loop 0 to 9结合ARRAY产生一个数组下标超出范围错误。 下面的SAS例子,DO循环用于迭代数组元素来定位目标元素。...Series由整数值索引,并且起始位置是0。 ? SAS示例使用一个DO循环做为索引下标插入数组。 ? 返回Series中的前3个元素。 ? 该示例有2个操作。...通过将.sum()方法链接到.is...
A SAS array provides a way to reference a group of columns for processing in the DATA step. By grouping columns into an array, you can process the variables in a DO loop. Each column that is grouped together in an array is referred to as anelement. You can reference an element in the...
Re: DO Loop and ARRAY Posted 11-13-2017 07:37 PM (2039 views) | In reply to Reeza The arrays I have done in the past have been different because I have been creating variables, but in this case I have to change the data set to have a variables that are currently horizontal, ...
SAS通常在数据步结尾将一个观测值写入数据中,但可以写入多个观测值,在DO loop中或单独使用output语句。...transpose过程可以转置数据集,将观测值转变为变量或将变量转变为观测值。...VAR语句 VAR语句命名变量,这个变量的变量值是要转置的。...下面的代码读取数据、按照队伍、选手排序数据,再转置数据: ? 在proc tr...
data work.earning; /*loop只发生在data步*/ value=2000; do year=1 to 20; interest=value*0.075; value+interest; /*year=21*/ end; run; proc print data=earning; run; /*升级版*/ data work.earning(drop=counter); value=2000; do counter=1 to 20; interest=value*0.075; value+interest; ...
注意:索引从0开始。大部分SAS自动变量像_n_ 使用1作为索引开始位置。SAS迭代DO loop 0 to 9结合ARRAY产生一个数组下标超出范围错误。 下面的SAS例子,DO循环用于迭代数组元素来定位目标元素。 SAS中数组主要用于迭代处理如变量。SAS/IML更接近的模拟NumPy数组。但SAS/IML 在这些示例的范围之外。
25; end; run; /*根据array创建变量*/ array array-name{dim}; /*assume dim=3 then create array-name1 array-name2 array-name3*/ array test{5} $ 20; /*创建长度为20的5个character型变量*/ /*二维的array,往往使用nesting loop*/ data sasuser.summary(drop=i j total); set sasuser.survey...
第二个例子展现了数据步的一个迭代过程如何生成5条观测。DO LOOP循环改变了执行的默认顺序。 data example_3; do i = 1 to 5; x = ‘Minnesota’; y = ‘Columbus’; output; end; run; The log presents the following message NOTE: The data set WORK.EXAMPLE_2 has 5 observations and 3 variables...
This paper introducesnovice users to the basics of array processing through examples and explanations of syntax. In addition to the array statement, do-loop processing and the DIM function are discussed. Finally, several specific uses for arrays aredescribed to help users get started programming ...