SAS Programming Master Classes : SAS Infile Concept - 21 | Learn SAS Tutorial Free

In this video, Naidu, an experienced SAS trainer and programmer, provides an in-depth explanation of the SAS Infile Concept and demonstrates how to import external data such as CSV and text files into the SAS environment. The video covers various infile options like MISSOVER, FLOWOVER, TRUNCOVER, and STOPOVER, which are crucial for handling missing values and incomplete data while reading files.

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*What* *You'll* *Learn:*

Naidu begins by explaining the differences between importing files using PROC IMPORT and the more detailed Infile method, emphasizing how the latter is useful when data is not well-structured. He also shows how to handle different types of missing values, both numeric and character, using specific options within the infile method. Throughout the tutorial, Naidu uses practical examples to walk viewers through importing data, addressing potential issues such as missing records, incorrectly placed values, and managing variable lengths.

Key topics include:

Miss Over - Handling missing values at the end of records.
Flow Over - Managing records where data overflows into the next line.
Trunc Over - Ensuring data is read correctly when record lengths vary.
Stop Over - Stopping the program when records don't meet the expected format.
Naidu demonstrates how to import tab-separated files using DLM and DSD options, explaining when to use each and how to customize the input to handle specific delimiters like commas, tabs, or spaces. He also provides an overview of first OBS and OBS options, showing how to limit the number of records imported into SAS, which can be particularly useful when working with large datasets.

By the end of the video, viewers will have a clear understanding of how to manage and import external data into SAS using the infile method, including handling file paths, variable length issues, and complex data formats.

Key takeaways:

Learn the SAS Programming infile options for importing external data efficiently.
Understand the use of MISSOVER, FLOWOVER, TRUNCOVER, and STOPOVER for managing data errors.
Explore DLM and DSD options for reading delimited files.
Master importing CSV and text files into SAS.
Gain insights on handling missing values, variable length issues, and more.

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