In SAS, dates are stored in numeric and days are calculated by considering the default cut off date which is January 01, 1960 and the date specified. When you’re dealing with SAS dates and calculating time or days, the cut off date is very important. To calculate age you need two values, the first is … Read more
The INTCK function in SAS returns the number of interval boundaries that lie between two SAS dates, times, or timestamp values. It’s a super powerful function in SAS which is being used widely when calculating date intervals between two dates. Syntax of INTCK function: INTCK(interval , start-date-time, end-date-time, <'method'>) INTCK(interval , start-date-time, end-date-time, <‘method’>) method: … Read more
The INTCK function in SAS returns the number of interval boundaries that lie between two SAS dates, times, or timestamp values. It’s a super powerful function in SAS which is being used in many various ways. I have seen it being used extensively in the where clause where you filter out the data by calculating … Read more
SAS gives you more flexibility to write a SAS code and create new datasets with keeping or dropping specific variables (columns) from a base dataset. We have two SAS options DROP= and KEEP= which we can use to have more controls on column level while reading and creating sas datasets. Things will be more clear … Read more
The basic SQL concept is still the same in SAS. The DELETE statement deletes only the rows (data) in a table. The DROP TABLE statement removes the table from the database completely, including the table structure. DELETE Statement in SAS This is the most commonly used statement to remove a few, specific groups of observations, … Read more
In this post you’ll learn how to delete datasets in SAS using 3 simple ways. It also explains how you can drop the entire SAS dataset and/or entire data from a specific library. Short Summary: Delete table v/s Drop table The DELETE statement deletes only the rows (data) in a table. The DROP TABLE statement … Read more
In this article you will learn how you can delete data in SAS. There are two common operations most people do on SAS datasets: DELETE the entire data set DELETE specific rows from a data set You can remove data using two SAS procedures such as proc sql and proc datasets. You can also use … Read more
You might have encountered the following error when loading, updating to re-creating a sas data set. “File WORK.XXXX.DATA is damaged. I/O processing did not complete” ERROR: File OLRSAS.RESULT.DATA is damaged. I/O processing did not complete. This is a most common situation where you need to repair a damaged data set: A system failure occurs while … Read more
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