W2 V2

What is the command used to input data in SAS for a dataset with a specified character length?

The command is 'input,' followed by the variable name and its character length (e.g., name $9.).

What does the 'datalines' statement do in a SAS data step?

The 'datalines' statement indicates the beginning of inline data entry for the dataset.

What format is used to read date values in a specific format in SAS?

The format is 'mmddyy8.', which reads dates in month-day-year format up to eight characters.

How do you ensure a character string is read correctly without truncation in SAS data input?

Use the '$CHAR' modifier to specify the exact character length for the variable.

What is the purpose of the '@' symbol in SAS data input?

The '@' symbol tells SAS to hold the current line for further input operations instead of reading a new line.

In the context of SAS, what does 'proc print' do?

The 'proc print' command is used to display the contents of a dataset.

How can you change the display format of a date variable in SAS?

Use the 'format' statement followed by the variable name and desired date format (e.g., 'format gameday DATE9.;').

What happens if you try to use a decimal place for a whole number in SAS?

SAS may not read the number correctly if the decimal is unnecessary, especially for whole numbers.

What command would you use to suppress the observation numbers when printing a dataset in SAS?

Use the option 'NOOBS' in the 'proc print' command.

How to print only a specific observation from a dataset in SAS?

Use the 'OBS=n' option in the 'proc print' command to specify which observation to print.