Missover:MISSOVER option tells SAS that if it runs out of data, don’t go to the next data line.Instead, assign missing values to any remaining variables. 他告诉sas,说:"input没读完就别读啦,直接全部给我赋为缺失值!!!" truncover::option tells SAS to read data for the variable until it...
Missover:MISSOVER option tells SAS that if it runs out of data, don’t go to the next data line.Instead, assign missing values to any remaining variables. 他告诉sas,说:"input没读完就别读啦,直接全部给我赋为缺失值!!!" truncover::option tells SAS to read data for the variable until it...
What values does sas assign missing values Posted 03-03-2022 07:25 PM (742 views) Consider the following if and else if statements. What value of QuizRange will be assigned to a missing value of Quiz? if Quiz = 'A+' or Quiz = 'A' or Quiz = 'B+' or Quiz = 'B' then Qu...
You can also notice the below code is commented, This means you can assign Death date or last contact date if imputed is greater then death or last contact date. This makes your imputation more robust as imputation can not be greater than the death date or last contact date. if AENDT >...
(2)给字符变量分配长度(assign lengths to the character variables) (3)可以识别一些特殊的日期时间格式(如DATE11.)。(4)将连续的delimiters 看作事一个缺失值(missing value)。(5)将引号包围起来的部分作为一个value读取(read values enclosed by quotation marks)(6)当读取line 的末尾时,将未读到value的...
;/* 设定缺失值 */ ;/* 设定输出的数据集 */ ;/* 设定变量的标签 */ <and other data tasks>;/* 其它数据任务 */ Proc步 Proc步以proc 作为开头标识,空格后接SAS过程名,再一个空格后接该过程的选项,最后仍以分号结束。分号后面接上多句次级statement,。同data步一样,proc有自己的次级statement语句。
;/* 设定缺失值 */ ;/* 设定输出的数据集 */ ;/* 设定变量的标签 */ <and other data tasks>;/* 其它数据任务 */ Proc步 Proc步以proc 作为开头标识,空格后接SAS过程名,再一个空格后接该过程的选项,最后仍以分号...
• Assign replacement values for unknown values. • Interactively cap extreme interval values to a replacement threshold. Descriptive statistics • Univariate statistics and plots: • Interval variables: n, mean, median, min, max, standard deviation, scaled deviation and percent missing. • ...
to read a single field in each record of raw data and to assign values to the variable ID. data readin; infile 'external-file' missover; input ID4.; run; proc print data=readin; run; The output is shown below : Obs ID 1 . 2 . 3 . 4 4444 Truncover data readin; infile...
Use SASNAME to assign a more meaningful eight-character name to a SAS column (optional column). SASLEN Defines the length of the column when loaded into SAS from DB2 (optional column). _DB2INDX Table The _DB2INDX table contains information about indexes that are defined on columns in ...