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SUDAAN FAQ 
How do I analyze survey data with a repeated systematic sampling design?

This example is taken from Levy and Lemeshow's Sampling of Populations.
page 109 repeated systematic sampling
This example uses the wloss2 data set.
proc descript data = wloss2 filetype=sas design = wor means totals;
  nest _one_ cluster;
  weight wt1;
  totcnt m _zero_;
  var xi;
  setenv colwidth = 15;
  setenv decwidth = 3;
run;

Number of observations read    :     18    Weighted count :      162
Denominator degrees of freedom :      5

Variance Estimation Method: Taylor Series (WOR)
by: Variable, One.

--------------------------------------------------------
|                 |                  |
| Variable        |                  | One
|                 |                  | 1               |
--------------------------------------------------------
|                 |                  |                 |
| XI              | Sample Size      |          18.000 |
|                 | Weighted Size    |         162.000 |
|                 | Total            |         729.000 |
|                 | SE Total         |          85.949 |
|                 | Mean             |           4.500 |
|                 | SE Mean          |           0.531 |
--------------------------------------------------------

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