WebJul 23, 2024 · IF statement Syntax: IF (condition is true) => It means subsetting a dataset. Example: Output: IF R_Num GE 100 => This would tell SAS to retain only those Roll numbers whose values are greater than or equal to 100. In other words, you are removing Roll numbers whose values are less than or equal to 100. WebJan 27, 2024 · A split acts as a partition of a dataset: it separates the cases in a dataset into two or more new datasets. When splitting a dataset, you will have two or more datasets as a result. Both subsetting and splitting are performed within a data step, and both make use of conditional logic. Both processes create new datasets by pulling information ...
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WebThe reason for this has to do with when SAS executes conditional statements. When using a WHERE condition SAS only selects the observations that meets this particular condition and then continues executing any other operations in the Data Step. This makes for more efficient processing of data especially with large amounts of data. WebOct 4, 2012 · UPDATE: If I add a DATA step after the PROC IMPORT, as shown: PROC IMPORT DATAFILE = "myfile.dta" DBMS = DTA OUT = mydata REPLACE; RUN; DATA mydata; IF close < 10 THEN val = "low"; ELSE val = "high"; RUN; PROC PRINT DATA=mydata; RUN; This only prints out an empty table like this: close val high ericksonliving hospital
Statements: IF Statement, Subsetting - 9.2 - SAS
WebNov 27, 2016 · In the DATA step, the WHERE statement and the IF statement (a.k.a. the "subsetting IF") have similar functions. In many scenarios, they produce identical results. But new SAS programmers are taught early on that these two statements work very differently, and in important ways. Web1. IF statement cannot be used outside data step whereas %IF can be used outside and inside data step but within the macro. Example 1 : In the following program, we are telling SAS to check the value if it is greater than 10 and then run procedure dependending on the conditional statement. %IF works to run procedures -. WebJan 23, 2024 · How do I conditionally execute a data step Posted 01-24-2024 11:50 AM(4512 views) Hi, I have called the macro-variable YR below. If YR= 2014 then I would like to execute my only the first data step. If YR = 2015 then I would like to execute only the … erickson living patient portal