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A collection of SAS examples and tips. All SAS programs are self-contained and will run independently. Any programs with an external data dependency are downloaded within the program from the data folder.

Date Program Description Tags
02/13/24 max_of_a_character.sas Get the max of a character column using CASL, FedSQL and SQL Data Engineering, SQL, Viya
02/20/24 sort_dedupe_with_a_data_step.sas Both sort and dedupe data using only a DATA Step Data Engineering, DATA Step
02/27/24 fuzzy_left_join_by_time.sas Perform a fuzzy left join on two datasets with differing time intervals Data Engineering, Time Series
03/05/24 collapse_a_dataset.sas Collapse a sparse dataset down to only a single row per by group Data Engineering, DATA Step
03/12/24 lead_methods.sas 3 ways to create a lead in SAS, plus an efficient DATA Step lead macro Data Engineering, DATA Step, Lead
03/19/24 sastrace.sas See what your database is doing when running SAS code against it in only one line of code Efficiency, Data Engineering, Database
04/02/24 solve_lever_puzzle.sas Use OPTMODEL to solve the lever puzzle from the 2010 survival horror game, Amnesia: The Dark Descent Operational Research, Optimization, OR
04/09/24 sql_magic.sas Influence the SQL optimizer with magic to improve join performance. Seriously. Efficiency, Fast, Performance, SQL
04/30/24 hash_joins_and_more.sas Learn how to do ultra fast joins with the DATA Step without needing to sort and more! You'll never join tables the same way again. DATA Step, Hash, Performance
05/07/24 get_va_report_data_sources.sas A program that automatically identifies the data sources in Visual Analytics reports on a Viya server Administration, VA, Visual Analytics, Viya
05/14/24 speedy_stats.sas Calculate over a dozen statistics on a billion rows of data in seconds CAS, Data Science, Efficiency, Fast, Performance, PROCs, Statistics, Viya
05/21/24 hpds2.sas Run a high-performance version of PROC DS2 with barely any code changes. Run DS2 code over 100% faster! Data Engineering, DS2, Efficiency, Fast, Performance
05/28/24 unique_ids_in_cas.sas Create a unique row ID three different ways in CAS CAS, Data Engineering, Viya
06/04/24 sequential_macro_variables.sas Two ways to dynamically generate sequentially-ordered macro variables with SQL and the DATA Step Data Engineering, DATA Step, Macro, SQL
06/25/24 partitioning_autotuning.sas Autotune and partition machine learning models in just two lines of code AI, CAS, Data Science, Machine Learning, Viya
07/23/24 sql_remerging_summary_statistics.sas NOTE: The query requires remerging summary statistics back with the original data. What does this mean? It's actually one of SAS's coolest SQL features! Data Engineering, Efficiency, SQL
08/13/24 drop_single_value_variables.sas How to find and drop all variables with too low cardinality from a dataset CAS, Data Engineering, Data Science, Viya
09/17/24 is_null.sas A macro that determines if a macro variable is either null or non-existent Data Engineering, Macro
10/01/24 minoperator.sas How to enable and use the IN operator with macro lists Data Engineering, Macro
10/08/24 genmax.sas Automatically create backups of your SAS datasets with the genmax dataset option DATA Step, Data Engineering
01/07/25 python_function_integration.sas Create Python functions in SAS and use them within a DATA Step DATA Step, Data Engineering, FCMP, Open Source, Python
01/14/25 timing_code_runs.sas An example of using the timeit macro to test how fast code runs on average. Benchmarking, Data Engineering, timeit, Timing
02/25/25 saspy_intro.ipynb A brief introduction to using SASPy to build and compare models Data Science, Data Engineering, Open Source, Python, SASPy
03/04/25 saspy_ods_output.ipynb How to use ODS Output with SASPy to create graphs out of data and view output from statistical and machine learning models Data Science, Data Engineering, ODS, Open Source, Python, SASPy
03/11/25 saspy_submit.ipynb How to submit arbitrary SAS code in SASPy with sas.submit() Data Science, Data Engineering, ODS, Open Source, Python, SASPy
04/22/25 timestamp_range_filtering.sas Efficient (and inefficient) ways to filter timestamps in one dataset based on valid start/end ranges in a lookup dataset Data Science, Data Engineering, DATA Step, Hash Tables, SQL, Time Series
05/06/25 count_nonmissing_char_vars.sas An easy way to count the number of non-missing values in all character variables Data Science, Data Engineering, Efficiency, PROC FREQ
05/20/25 read_tarball_zip_csv.sas Use the filename pipe statement to read .tar.gz files and zipped gz files in Linux Data Science, Data Engineering, tarball, .tar.gz, zip
06/24/25 proc_expand.sas PROC EXPAND tricks to perform lags, leads LOCF, moving averages, forward moving averages, and much more Data Science, Data Engineering, Lag, Lead, LOCF, PROC EXPAND

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A collection of SAS examples and tips with a focus on data science and data engineering

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