Example: Solve for Power
To create this example:
-
In the
Tasks section,
expand the
Power and Sample Size folder,
and then double-click
Multiple Regression.
The user interface for the Multiple Regression task opens.
-
Under the
Solve
For heading, select
Power.
-
Under the
Analysis
Details heading, select
Random predictors.
-
In the
Number
of full model predictors field, enter
7.
-
In the
Number
of reduced model predictors field, enter
3.
-
Under the
Variance
Accounted For heading, select
Partial correlation from
the
Select a form drop-down list.
-
Enter
.3 as
the partial correlation.
-
For the sample size,
enter
100.
To add a second sample
size, click
. In the second row, enter
50.
-
To run the task, click
.
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