In many programming languages, there is a function named eval() that can be used to evaluate an expression and return the result at run time. For example, in Python, the eval() function parses the expression passed to it and runs a Python expression or code within the program. Even Python […]
How to evaluate SAS expression in DATA Step dynamically was published on SAS Users.
SAS’ Leonid Batkhan explains the data cleansing task of removing unwanted repeated characters in SAS character variables.
Removing repeated characters in SAS strings was published on SAS Users.
SAS’ Leonid Batkhan reviews SAS functionality related to the character strings quoting/unquoting, then dives deep into unquoting SAS character variables.
How to unquote SAS character variable values was published on SAS Users.
In natural language processing, word vectors play a key role in making technologies such as machine translation and speech recognition possible. Let’s talk about how to transform word vector tables from long to wide in SAS, so we can potentially get sentence vectors to process further.
Transform word vector tables from long to wide was published on SAS Users.
In honor of Valentine’s day, we thought it would be fitting to present an excerpt from a paper about the LIKE operator because when you like something a lot, it may lead to love! If you want more, you can read the full paper “Like, Learn to Love SAS® Like” […]
Learn to Love SAS LIKE was published on SAS Users.
This article discusses how to use SAS to filter variables in a dataset based on the percentage of missing values or duplicate values. The missing value statistics can be implemented by either DATA step programming on your own or reusing the existing powerful PROC FREQ.
How to filter variables by percentage of missing values or duplicate values in SAS was published on SAS Users.
The DATA step remains a popular way to create and manipulate SAS data sets. Whether you are reshaping a data set entirely or simply assigning values to a new variable, there are numerous tips and tricks that you can use to save time and keystrokes.
Old reliable: DATA step tips and tricks was published on SAS Users.
In many movies, there is often a scene where the star says “We can do this the easy way, or the hard way” (and the hard way usually involves quite a bit of pain). So it is with interrogations … and so it is with writing SAS code! Today I’m […]
The …