Proc Sql Case When New Variable

Select name grade teacher case when student id in select student id from tests where score lt 70 then failed one or more tests else passed all tests end as test results from students.

Proc sql case when new variable. If when condition is false then proc sql evaluates the next when condition until they are all evaluated. If your trying to create a new variable on a condition on other variable then you can use a case expression. Select id from file1 where age between select avg age from file1 10 and select avg age from file1 10. The sql procedure also supports logic scenarios and is implemented with a coding technique known as a case expression.

The remaining topics presented in this paper will illustrate the implementation of logic scenarios in the data step and sql procedure. If the when condition is true for the row that is being executed then the result expression that follows then is executed. Adding a sub query and a case expression will get you what you want. Scenarios are frequently implemented using if then else and select statements.

Now i want to join these sets on id and create a new variable based on a type variable from set one. Case when daysdiff 10 then 0 10 when 11 daysdiff 20 then 11 20 when 21 daysdiff 30 then 21 30 when 31 daysdiff 40 then 31 40 else greater than 40 end as numberofd. Create table transactions as select a case. Select case when age 15 then 1 when age 13 then 0 else 2 end as new var from sashelp class.

As is without warranty of any kind either express or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose. If case operand equals when condition then the when clause is true. When b type ab then b amount end as loan. I ve tried to do it with case when.

Is it possible to create more than variable using case in proc sql. Create table test as select case when myvar n then lcy when myvar y then fcy end as newvar from table quit. Demonstrates case statement with proc sql these sample files and code examples are provided by sas institute inc.