Confidence Interval Calculator
Confidence Interval for the population means when the standard deviation is known. Confidence level, usually written as 100%, on the interval estimate…
Determine the log of a variable in SAS
There are multiple logarithmic functions available to determine the log of a variable in SAS. The most used log functions are the natural and common log functions.
Append records to an existing file in SAS
The code illustrates how to append records to an existing file in SAS. It can be used to add text to the bottom of an existing file with the MOD option in the FILE statement.
Generate all permutations of elements in SAS
To Generate all permutations of elements in SAS, use the FACT function then determine the permutation using the CALL ALLPERM.
How to Copy a file with SAS?
Here is an example of a code that you can use to copies a file byte by byte. It copies the content byte-by-byte so it can be used to copy any file, even pictures! This will work on both Unix and Windows and it’s great for copying files from your SAS session to a place outside of SAS, or vice versa.
How to delete labels and formats from SAS variables?
To delete labels and format from a variable, use the PROC DATASET procedure and attrib statement.
SAS Data Access Functions
For the past few years, I’ve been learning SAS and have found that most of the functions I use are available in…
Randomly select character values for each observation
In the example dataset – SASHELP.HEART, you want to create a new variable – Activity_status and assign one of three values of…
Changing the Case of All Character Variables in a Data Set
This program will change the case for all of the character variables in a SAS data set. The key here is using the _CHARACTER_ keyword in the ARRAY statement. This will create an array of all the character variables in the dataset.
