Explaining SAS Date Values
from: http:/support.sas.com/community/newsletters/news/insider/dates.html
People have asked many times why the base date for SAS date values is January 1, 1960.
. However, the base date of January 1, 1960 was chosen years earlie

Common Informats
Informats determine how raw data values are read and stored.
Informat Name: $w. Informat
Summary: Reads standard character data
Width range: 1-200
Variable Type: Character
The $w. informat reads standard character data. The w value specif

COMBINING SAS DATA SETS (II)
INTERLEAVING
Interleaving combines individual sorted SAS data sets into one sorted data set. You interleave data sets using a SET
statement and a BY statement in a DATA step. The number of observations in the new data set is t

COMBINING SAS DATA SETS (I): CONCATENATING
Concatenating combines two or more SAS data sets, one after the other, into a single data set. The number of
observations in the new data set is the sum of the number of observations in the original data sets. Yo

Complete the missing entries in the second table below using ARRAY FORMULAS. Use one array
formula for each column. The first table is provided as reference. Next, rename this file as
follows: STAT125_THU_HW4_Surname or STAT125_THW_HW4_Surname and submit

Why use array formulas?
If you have experience using formulas in Excel, you know that you can perform some fairly
sophisticated operations. For example, you can calculate the total cost of a loan over any given
number of years. However, if you really want

Summary of Types of Errors That SAS Recognizes
SAS performs error processing during both the compilation and the execution phases of SAS processing. You
can debug SAS programs by understanding processing messages in the SAS log and then fixing your code.

RULES FOR SAS STATEMENTS
There are only a few rules for writing SAS statements:
SAS statements end with a semicolon.
You can enter SAS statements in lowercase, uppercase, or a mixture of the two.
You can begin SAS statements in any column of a line and

Please be reminded that this is a non-comprehensive reviewer. Do not depend on this alone. Study well.
God bless! Maam Rigonan
STAT 125
Long Exam 2 Reviewer
1. Mixed Input Styles
Create a TEMPORARY SAS data set called rent by reading the following data us