The SAS DO Loop is one of the statements that enables to execution of the group of statements that access between the do and end statement. It repetitively iterated till the value of the variable index. It may b
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。 例子下面的代码阐述如何在DO LOOD语句中使用output语句来产生一个数据集。 这个代码没有INPUT或SET语句,故整个数据步中只有一次迭代——但包括了DO LOOP中的六次循环。由于OUTPUT语句在DO LOOP循环中,因此每次循环...
data example_2; x = ‘Minnesota’; y = ‘Columbus’; run; The log presents the following message: /*日志输出如下信息*/ NOTE: The data set WORK.EXAMPLE_2 has 1 observation and 2 variables. 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 exam...
CALL EXECUTE是一个相对较新的数据步骤函数 ,它与SAS宏工具交互。 它允许将字符数据立即发送到宏工具 ,在执行DATA步骤期间执行宏。 data age2; do age=1 to 20;/* do loop只能放在data step中循环执行data步的语句 但想要循环执行proc step 可以call execute*/ output; end; run; data class; set sas...
data example_2; x = ‘Minnesota’; y = ‘Columbus’; run; The log presents the following message: /*日志输出如下信息*/ NOTE: The data set WORK.EXAMPLE_2 has 1 observation and 2 variables. 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。
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。 例子下面的代码阐述如何在DO LOOD语句中使用output语句来产生一个数据集。 这个代码没有INPUT或SET语句,故整个数据步中只有一次迭代——但包括了DO LOOP中的六次循环。由于OUTPUT语句在DO LOOP循环中,因此每次循环...
second and third arguments once rather than every time the COMPRESS function is called. Using the O modifier in the DATA step (excluding WHERE clauses), or in the SQL procedure, can make COMPRESS run much faster when you call it in a loop where the ...
By Rick Wicklin on The DO Loop February 17, 2025 Topics | Analytics Learn SAS Programming Tips Many people have an intuitive feel for residuals in least square models and know that the sum of squared residuals is a goodness-of-fit measure. Generalized linear regression models use a different ...
I wrote the code below to consolidate mutually-exclusive variables into 2 "catch-all" variables, but the only line that's copying correctly is the one outside of the DO loop. What am I missing? I appreciate any and all help - thanks. IF Q_4_1_1 NE . THEN DO;ChatGPT41 = Q_4...
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