|
Role
|
Description
|
|---|---|
|
Roles
|
|
|
Replace
missing values with the mean
|
replaces missing values
with the mean for the variable.
|
|
Replace
missing values with the pseudo-median
|
replaces missing values
with the pseudo-median of the variable. If there is no nonmissing
value, the pseudo-median is 0.
|
|
Replace
missing values with a random number
|
replaces missing values
with a random value that is drawn between the minimum and maximum
of the variable. If there is no nonmissing value, the random value
is 0.
|
|
Additional Roles
|
|
|
Frequency
count
|
specifies a numeric
variable that contains the frequency of occurrence for each observation.
If the frequency value is less than 1 or is missing, the observation
is not used in the analysis. If no variable is assigned to the Frequency
count role, each observation is assigned a frequency
of 1.
|