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How to VIEW column names in SAS?

How to VIEW column names in SAS?

The first option to list the column names of a SAS data set is with the PROC CONTENTS statement. With the syntax below you store the column names in a new table. If you don’t specify the keep options, then the output table will contain not only the column names but also its format, its length, its type, etc.

Which column names are valid in SAS?

Introduction to SAS

  • SAS names must be 33 characters long.
  • The first character must be an English letter (A, B, C, . . ., Z) or underscore (_).
  • You can use upper or lowercase letters.
  • Blanks cannot appear in SAS names.
  • Special characters, except for the underscore, are not allowed.

How do I sort a column name in SAS?

  1. Step 1: Sort the column names by ascending order. This done in roundabout way using proc contents and proc sort and the column is sorted by its name as shown below.
  2. Step 1: Sort the column names by descending order.
  3. Step 2 : Retain that descending order there by reordering in descending order.

What is view table SAS?

When you open a data set that contains labels in a VIEWTABLE window, SAS automatically displays the table headers as variable labels rather than the variable names. You can change the way SAS displays table headers by using the VIEWTABLE pop-up menu or by using the VIEWTABLE command.

What are Dictionary columns SAS?

At any time during a SAS session, DICTIONARY tables can be used to capture information related to currently defined libnames, table names, column names and attributes, formats, and much more. DICTIONARY tables are accessed using the libref DICTIONARY in the FROM clause of a PROC SQL SELECT statement.

How do I run a PROC content in SAS?

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.

Can SAS variable start with number?

SAS variable names may be up to 32 characters in length. The first character must begin with an alphabetic character or an underscore. Subsequent characters can be alphabetic characters, numeric digits, or underscores. A variable name may not contain blanks.

How do you arrange variables in SAS?

So, how do you reorder variables in a SAS dataset? You change the position of a variable in a SAS dataset with a DATA Step and the RETAIN statement. The RETAIN statement must be placed before the SET statement and is followed by the column names in the desired order.

How do I arrange a variable sequence in SAS?

When you have existing data in SAS and want to change the order of the variables, use the retain statement. Suppose you have a data set mydata with variables in the order of e c a b d .

How do I view view in SAS?

To create a DATA step view, specify the VIEW= option after the final data set name in the DATA statement. The VIEW= option tells SAS to compile, but not to execute, the SAS source program and to store the compiled code in the input DATA step view that is named in the option.

How do I browse DATA in SAS?

  1. Viewing the Contents of a SAS Data Set.
  2. Background.
  3. 1) Open the Explorer window. In any SAS window, select View from the menu.
  4. 2) Select Libraries from the list in the Explorer window. To do this, just.
  5. 3) Select the desired library. A list of the SAS libraries will appear, each one.
  6. 4) Select the data set.