What does obs mean in SAS?

Data Set Option
Specifies the last observation that SAS processes in a data set.

How do I use first OBS?

Example: Using the FIRSTOBS= Data Set Option proc print data=study(firstobs=20); run; This SET statement uses FIRSTOBS= and OBS= to read only observations 5 through 10 from the data set STUDY. The data set NEW contains six observations.

How do you INOB in PROC SQL?

The INOBS= option restricts the number of rows that PROC SQL takes as input from any single source. For example, if you specify INOBS=10, then PROC SQL uses only 10 rows from any table or view that is specified in a FROM clause.

When Firstobs and OBS options are used in the set statement what does the OBS value indicate?

You can use the OBS= and FIRSTOBS= data set options to limit the number of observations that SAS processes. The OBS= data set option specifies the number of the last observation to process. It does not specify how many observations should be processed.

What is Firstobs and OBS in SAS?

The SET statement’s FIRSTOBS= option tells SAS to begin reading the data from the input SAS data set at the line number specified by FIRSTOBS. The SET statement’s OBS= option tells SAS to stop reading the data from the input SAS data set at the line number specified by OBS.

What is a SAS data step?

A SAS DATA step is a group of SAS language elements that begins with a DATA statement and ends with a RUN statement. The DATA statement is followed by other programming language elements such as more DATA step statements, functions, data set options, formats, and informats.

What is Sqlobs in SAS?

SQLOBS is the number of rows returned by SAS. They can differ if an OUTOBS parameter or other limiting option/statement is used.

How do you use Proc contents?

The basic syntax of PROC CONTENTS is: PROC CONTENTS DATA=sample; RUN; As with all SAS procedures, the DATA command (which specifies the name of the dataset) is optional, but recommended. If you do not specify a dataset, SAS will use the most recently created dataset by default.

What is _N_ 1 in SAS?

Automatic variables are created automatically by the DATA step or by DATA step statements . Each time the DATA step loops past the DATA statement, the variable _N_ increments by 1. The value of _N_ represents the number of times the DATA step has iterated.