IBM Water System SPSS COMPLEX SAMPLES 19 Manual do Utilizador descarregar pdf (Página 19)

Sampling from a Complex Design

Click Next to continue through the Wizard.

E Optionally, in the Design Variables step, you can deﬁne strata, clusters, and input sample weights.

After you deﬁne these, click

Next.

E Optionally, in the Sampling Method step, you can choose a method for selecting items.

If you select

PPS Brewer or PPS Mur thy, you can click Finish to draw the sample. Otherwise,

click Next and then:

E In the Sample Size step, specify the number or proportion of units to sample.

E You can now click Finish to draw the sample.

Optionally, in further steps you can:

 Choose output variables to save.

 Add a second or third stage to the design.

 Set various selection options, including which stages to draw samples from, the random

number seed, and whether to treat user-missing values as valid values of design variables.

 Choose where to save output data.

 Paste your selections as command syntax.

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IBM Water System SPSS COMPLEX SAMPLES 19 Manual do Utilizador Página 19