Information Technology Reference
In-Depth Information
Figure A6.3
Assigning wording to codes: Step 3.
m-i-s-s-i-n-g
were to be associated with the value of 9 on the gender vari-
ables. This is a great reminder for you, but SPSS treats the label simply as
a string of letters that could have been anything; thus, just because you
labeled the value of 9 as missing does not in any manner actually instruct
SPSS to treat the value 9 as a missing value - that is why there is a variable
characteristic of
Missing Values
.
A.7.4 VALID AND MISSING VALUES
Data entered into the data file are defined by SPSS as being in one of two
states: the data can be either
missing
or
valid
. Missing values are treated by
Figure A6.4
Assigning wording to codes: Last step.
