DATA 步语句是出现在 DATA 步中的可执行(Executable)或声明性(Declarative)语句。可执行语句会在DATA 步的各个迭代中执行某些操作;声明性语句则向SAS系统提供信息,并在系统编译程序语句时生效。 以下展示了一些在DATA步中用到的执行语句和声明性语句...
Case Statement or something else? Posted 08-07-2018 07:06 AM (1186 views) So I have a file that has the following data: User, Session What I want to happen is I want to list a user and then for each of the three sessions have a "Y" or "N" if they attended. So something...
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data _null_; A='dog cat'; B=tranwrd(a,'cat','pig'); put; B= ; run; 结果: B=dog pig (6)trim(string) /*remove trailing blanks from string express*/ (7)upcase(string)/*convert all the letter into upcase*/ 二、字符函数 ...
data test2; length reason $100; line = 'ERROR 180-322: Statement is not valid or it is out of proper order.'; index = index(line, 'ERROR'); put 'index= ' index; if index > 0 then put line; index2 = index(line, ':'); ...
PROC MIANALYZE statementIntroductionComplete Case AnalysisLast Observation Carried ForwardDirect LikelihoodWeighted Estimating EquationsMultiple Imputationdoi:10.1002/9780470510445.ch14Geert MolenberghsMichael G. KenwardJohn Wiley & Sons, LtdMolenberghs G, Kenward MG. Incomplete data and SAS. Direct likeli- ...
除了data步和proc步,SAS还包含全局语句(In addition to DATA and PROC steps, a SAS program can also contain global statements. );全局语句后面不需要run(Global statements do not need a run statement after them.)例如:titles...; options...; libname... ...
Data Mining using SAS Enterprise Miner: A Case Study Approach PDF | HTML SAS Enterprise Miner 6, 7, 12, 13, and 14: C and Java Score Code Basics System Requirements--SAS Enterprise Miner 14.3 SAS Enterprise Miner 14.3 High-Performance Data Mining SAS Enterprise Miner 14.3: High-Performance ...
OPTIONS CAPS; FORMAT VARNAME $UPCASE.; (Therecord lengthis the number of characters, including spaces, in a data line.) If your data lines are long, and it looks like SAS is not reading all your data, then use theLRECL= optionin the INFILE statement to specify a record length at lea...