SAS sample code Programs

[sarath.annapareddy]

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SAS sample code programs:

Macro for sorting the variables:

How to convert character date values into numeric date values using DATASTEP/PROC SQL and ARRAYS:

How to detect missing values using Arrays:

First. & Last. Variables:

How to determine the last observation in the dataset:

How to determine whether a numeric or character value exists within a group of variables:

Lag Function: How to obtain information from the previous observation:

How to create a new dataset from multiple datasets based on the sorted order:

Dynamically generate SET statement to combine multiple datasets:

How to determine which dataset contributed an observation:

How to determine if a variable exists in a dataset or not:

How to Read Delimited Text Files into SAS:

How to keep only even number observations in the dataset:

How to verify the existence of an external file:

Accurately calculating age in one line code:

How to use INDEX/INDEXC functions:

Finding the number of observations in the dataset:

How to capitalize first letter of the every word:/ PROPCASE FUNCTION:

How to use the SCAN function:

Concatenation functions in SAS 9.0:

SOUNDEX Function:

IFC and IFN functions:new IF functions & IF-THEN-ELSE vs SELECT:

How to remove the duplicate observations from the dataset using PROC SQL, DATASTEP/PROC SQL/or PROC SORT approaches ?

How can I count number of observations per subject in a data set?


sarath