Clinical SAS Programming prepares the study summary tables, graphs, and data listening from the collected data by implementing various analysis methods.
You can use high-level procedures PROC COPY and PROC DATASETS for moving and copying SAS datasets between libraries.They provide much more control over what data sets you want to move and this approach is more efficient.
Sometimes you may need to truncate numeric values to a specified number of decimal places without rounding. In this article, you will learn to truncate decimals in SAS, without rounding.
The ROUND function rounds the numbers to the nearest multiple of the rounding factor. Round up or ceil in SAS uses ceil() function which rounds up the column in SAS. Round down in SAS or floor in SAS uses floor() function which rounds down.
There are times when we need to use the attributes like the column value from the column name or format of a variable within a data set. The VValue and Vvaluex functions can be used to return the format and/or value of a variable or a string within the data step.
A character variable can store numbers, but analyses require numeric variables. This example shows how to convert all character variables to numeric.
To get today’s date in SAS, you can either the today() or date() functions. They are equivalent and represents the number of days since January 1, 1960. Datetime() function returns SAS value represents the number of seconds between January 1, 1960, and the current time.
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