In this article we’ve already described 4 ways to create indexes on SAS dataset with practical examples. I’m assuming you’ve a SAS dataset which already has indexes defined on it. For any reason you want to delete those indexes on the SAS dataset, this is the article where you learn how to remove indexes. How … Read more
An Index is the most important part of a sas dataset but it’s kind of optional. As a beginner you might ignore this but as soon as you learn more about SAS you’ll understand the importance of having Index on a SAS dataset. Why to Create Index on SAS Dataset? Indexes are used to quickly … Read more
SAS Studio is getting more popular than ever since it has launched. This is because of the boom in cloud technology and upcoming web migration. The SAS Studio bundled with the SAS Viya is the perfect solution delivered by SAS and they are making improvements with each patch or a new version. You may have … Read more
In SAS you can easily extract characters from a string using SUBSTR() or SUBSTRN() functions. But it only works with the character variable. To extract last 4 digits or any number of digits from a numeric variable, you need to convert the input from numeric variable to character variable in order to use substr function. … Read more
Data analytics has already got momentum and going forward it will be the core of countless new technology solutions. It is being increasingly leveraged by startups, small businesses, and large enterprises to improve customer experience, reduce cost and make existing processes faster. Data is the new fuel and AI is the accelerator! Though even if … Read more
You can use the SUBSTR() function in SAS to read a part of a string. It can also be used to replace very specific given characters from a string. You pass the input string to be processed, it can be a char variable as well, then specify starting position to read and size – that’s how … Read more
You can easily populate the current date and datetime in SAS using today() and datetime() functions. More specifically, current date can be populated using today() function and date with time can be populated using datetime() function. We’re going to use the work data set “work.hightemp” to insert a new variable “date_now” with current date or … Read more
SAS internally generates logs while executing SAS statements and writes them into the SAS LOG window or any specified external log file. The level of logging depends on the SAS system configuration or SAS options specified in the SAS program itself. But none of them prints actual data into the log window or log file. … Read more
After successful execution of each SAS statement SAS generates a log and you can see it in the LOG window assuming you’re running your code in SAS Studio or SAS EG. It’s always a good practice to check out the logs even after the successful execution of the SAS program. It gives you a sort … Read more
When you execute a SAS program through SAS Studio, SAS EG or simply any scheduler, it automatically generates a SAS log. The logging in SAS can be defined in the SAS system configuration files or else it can be set manually in the individual code by adding options like mprint, mlogic, symbolgen, etc. This is … Read more