sas if then keep
you need to use " " when working with character variables: changing. if countrycode ne CN then delete;. to. if countrycode ne 'CN' then delete ;., Hi, KEEP is a compile time statement that impacts the Program Data ... data class_males class_females; set sashelp.class; if sex = 'F' then ...
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 sas if then keep 相關參考資料
Statements: IF-THENELSE Statement - 9.2 - SAS Support
SAS evaluates the expression in an IF-THEN statement to produce a result that ... if answer=9 then do; answer=.; put 'INVALID ANSWER FOR ' id=; end; else do; ... http://support.sas.com Solved: want to keep observations if variable x equals to ... - SAS ...
you need to use " " when working with character variables: changing. if countrycode ne CN then delete;. to. if countrycode ne 'CN' then delete ;. https://communities.sas.com Solved: Conditional keep statement - SAS Support Communities
Hi, KEEP is a compile time statement that impacts the Program Data ... data class_males class_females; set sashelp.class; if sex = 'F' then ... https://communities.sas.com Solved: How to drop or keep variables conditionally...??? - SAS ...
Solved: Hi, I'm working on a dataset that includes 1353 observations and 15 variables. If the variable A has a value of "No Match" then I. https://communities.sas.com How to keep data rows using conditional rules - SAS Support ...
by client; rec + 1; if last.client then leave; set x (keep=admit rename=(admit=next_admit)) point=rec; if next_admit - disch ge 15 then output; end; https://communities.sas.com 第一章SAS 軟體入門 - 中國醫藥大學生物統計研究所
SAS 教戰手冊. 第一章SAS 軟體入門. 3-3. Base SAS 介紹－資料處理基本指令的應用(2)：. 林保萱統計分析師 .... IF 條件列THEN DELETE：在資料檔中刪除資料。 4. http://biostatdept.cmu.edu.tw SAS輕鬆入門 - 晨晰統計部落格新站（統計、SPSS、BIG DATA討論園地）
SAS輕鬆入門（三）--晨晰統計張顧問整理 ... IF .THEN DO; END;（根據某條件做很多事）像是設定虛擬變數. IF Edu=1 THEN DO ; D1 = 0; D2 = 0 ; D3 = 0; END;. http://dasanlin888.pixnet.net Statements: KEEP Statement - 9.2 - SAS Support
http://support.sas.com SAS FAQ《007》:如何有效率地使用KEEP 與DROP - 中國醫藥大學生物 ...
這裏要介紹兩個SAS 的指令--KEEP 以. 及DROP 的用法，可以從 ... 年齡(age)、白蛋白濃度(alb)這三個變項，接著使用「IF…THEN…ELSE」根據年齡資. 料產生新變 ... http://biostatdept.cmu.edu.tw 提升SAS 效率的小技巧(一) - 中國醫藥大學生物統計研究所
讀入SAS 工作記憶體(PDV)內的資料若符合IF 陳述式的條件. 則會被留下，若 .... 其中以“在SET 陳述式後加上KEEP= / DROP= 選項” 的做法最 ... SAS 在進行IF-THEN/ELSE 的條件式判斷時，對符合ELSE 陳述式前IF 條件的資料，會. http://biostatdept.cmu.edu.tw |