by Team AHT | Oct 2, 2024 | SAS, SQL
This is how PIVOT and UNPIVOT work in PySpark with Spark SQL using official syntax. 1. PIVOT in Spark SQL The PIVOT operation in Spark SQL allows you to convert rows into columns based on values in a specific column. It helps to summarize and reshape the data in a... by Team AHT | Jul 25, 2024 | Pyspark, SAS
Let us create a comprehensive SAS project that involves merging, joining, transposing large tables, applying PROC SQL lead/rank functions, performing data validation with PROC FREQ, and incorporating error handling, macro variables, and macros for various functional... by Team AHT | May 11, 2024 | SAS
In SAS, the DATEPART() and TIMEPART() functions are used to extract the date and time parts from datetime values, respectively. Here’s how each function works: 1. DATEPART(): The DATEPART() function extracts the date part from a datetime value and returns it as... by Team AHT | Apr 30, 2024 | SAS
here’s a table summarizing some common SAS List Date functions with their syntax and examples: Here’s a breakdown of some key categories with representative functions, syntax, and examples: 1. Retrieving... by Team AHT | Apr 29, 2024 | SAS
In SAS, the FIRST. and LAST. automatic variables are used within a DATA step to identify the first and last occurrences of observations within a BY group. These variables are particularly useful when working with sorted data or when you need to perform specific... by Team AHT | Apr 29, 2024 | SAS
1. PROC PRINT: Syntax: PROC PRINT [DATA=dataset_name] [VAR variables]; Use: Prints the contents of a SAS dataset in a tabular format. You can specify a subset of variables to print using the VAR option. 2. PROC SORT: Syntax: PROC SORT DATA=dataset_name... by Team AHT | Apr 29, 2024 | SAS
The Program Data Vector (PDV) is a critical concept in SAS programming, particularly in the context of the DATA step. It represents the current state of data processing during the execution of a DATA step. Let’s delve into how the SAS PDV works in detail: 1.... by Team AHT | Apr 29, 2024 | SAS
SAS: Reading and Writing Data – Important Points and Interview Q&A Important Points: Reading Data: SAS offers various tools to read data from different sources: SAS datasets (.sas7bdat): Use the SET statement to read existing SAS datasets. CSV files: Use...