option mprint; 在日志中输出翻译出来的SAS代码段 option symbolgen; 在日志中显示出macro variables的解析的值 如图: 定义宏变量的方式 1. 使用%let创建并赋值,如:%let province=广东省 2.使用data步中的call symputx创建并赋值 3.使用proc sql中的select into 子句赋值 4.在宏中,创建的宏变量(局部宏变量) ...
*** Output : __len_list *** Description: Use SAS Macros to set uniform lengths for data set variables dataset: required. Data set whose length needs to be modified. such as td1 ; len : optional. Set the length of string variables uniformly. the default is 12000; *** *** MODIFICATI...
Learn how use the CAT functions in SAS to join values from multiple variables into a single value. Find more tutorials on the SAS Users YouTube channel. SAS Training: Just a Click Away Ready to level-up your skills? Choose your own adventure. Browse our catalog! Related topics proc sql ...
Transform Variables Assess Model Performance Assess Nodes: Overview Compare Models (7:36) Score New Data (13:12) Integrate with Python & R Integrating R Code into SAS Enterprise Miner (7:18) Integrating Python Code into SAS Enterprise Miner (6:20) Use a Python Script with SAS Enterprise ...
Matplotlib 大概是最常用的 Pyrhon 2D 绘图库。它提供从 Python 和其他数据里快速创建可视化图像的方法。我们将要探索 matplotlib 在交互模式下的常见用法。 IPython 和 pylab 模式 IPython是一个增强的 Python 交互式 shell,它有很多有趣的功能,包括命名输入和输出,访问 shell 命令,改进的调试方式和许多其他的功能。
一个简单的算法，若有30个数据，分三组，一组10个，按从小到大排序，用_n_/10取整就好了嘛，第一组为0，第二组1，第三组2
***Getnumber of non-missing recordsforall variables;proc sql noprint;create table result1asselect"CLASS"asDatasetlength=50,"NAME"asVarlength=50,sum(notmissing(NAME))asSumfromclassouter union corrselect"CLASS"asDatasetlength=50,"SEX"asVarlength=50,sum(notmissing(SEX))asSumfromclassouter union cor...
nvar:Number of Variables 说到这儿,还没有说到数据字典...比如:我们要获取某逻辑库下的所有数据集名称,实际应用场景:数据集循环,进行一致的操作等,先来看看一段代码... 代码语言:javascript 复制 %macro dsloop;proc sql noprint;selectcount(*)into:_loop from dictionary.tables where libname=upcase('sas...
Answer:By using Select variables and keyword Keep=-option which starts and followed with the equal operator, finally the variables want to be selected. Conclusion SAS keep is like the statement that helps to declare and keep the data variables along with the values to keep the position as same...
2:select 、if else if的选择 Fornumeric variables,SELECT statementsshouldalways be slightlymoreefficient (use less CPU time) than IF-THEN/ELSE statements. The performance gap between IF-THEN/ELSE and SELECT statements gradually widens as the number of conditions increases ...