SPSS output for exemplar 1

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For comments on how to run code see the html version of SPSS source code

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Mean income with various assumptions (table 1.3)
Mean income loneparents (table 1.5)


Simple unweighted mean

Descriptives

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation
Statistic Statistic Statistic Statistic Std. Error Statistic
Gross household weekly income 4695 4 6350 470.86 6.022 412.631
Valid N (listwise) 4695




Frequency weighted mean

Descriptives

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation
Statistic Statistic Statistic Statistic Std. Error Statistic
Gross household weekly income 2236979 4 6350 483.09 .286 428.013
Valid N (listwise) 2236979





Probability weighted mean no clustering

Complex Samples: Plan


Warnings
This procedure ignores the SPSS weight variable.
This procedure does not check the consistency of the working data file with the plan file. We recommend looking at the output table or the plan file to check consistency before performing selection or analysis.

Summary



Stage 1
Design Variables Cluster 1 psu
Analysis Information Estimator Assumption Sampling with replacement
Plan File: C:\Documents and Settings\gillian raab\My Documents\aprojects\peas\ex1datafiles\exemp1\data\ex1b.csaplan
Weight Variable: grossing factor (december 2002)

Complex Samples: Descriptives


Warnings
This procedure ignores the SPSS weight variable.





Univariate Statistics


Estimate Standard Error 95% Confidence Interval Design Effect Square Root Design Effect Population Size Unweighted Count
Lower Upper
Mean Gross household weekly income 483.09 10.639 462.16 504.02 2.907 1.705 2236979.000 4695


Probability weighted mean with clustering

Warnings
This procedure ignores the SPSS weight variable.
This procedure does not check the consistency of the working data file with the plan file. We recommend looking at the output table or the plan file to check consistency before performing selection or analysis.

Summary



Stage 1
Design Variables Cluster 1 psu
Analysis Information Estimator Assumption Sampling with replacement
Plan File: C:\Documents and Settings\gillian raab\My Documents\aprojects\peas\ex1datafiles\exemp1\data\ex1b.csaplan
Weight Variable: grossing factor (december 2002)

Complex Samples: Descriptives

Warnings
 
This procedure ignores the SPSS weight variable.





Univariate Statistics


Estimate Standard Error 95% Confidence Interval Design Effect Square Root Design Effect Population Size Unweighted Count
Lower Upper
Mean Gross household weekly income 483.09 10.639 462.16 504.02 2.907 1.705 2236979.000 4695

 


Probability weighted mean with clustering and (wrongly) splitting PSUs by poststratification by CTBAND

Complex Samples: Plan

Warnings
This procedure ignores the SPSS weight variable.
This procedure does not check the consistency of the working data file with the plan file. We recommend looking at the output table or the plan file to check consistency before performing selection or analysis.

Summary



Stage 1
Design Variables Stratification 1 council tax band
Cluster 1 psu
Analysis Information Estimator Assumption Sampling with replacement
Plan File: C:\Documents and Settings\gillian raab\My Documents\aprojects\peas\ex1datafiles\exemp1\data\ex1c.csaplan
Weight Variable: grossing factor (december 2002)

 

Complex Samples: Descriptives

Warnings
This procedure ignores the SPSS weight variable.





Univariate Statistics


Estimate Standard Error 95% Confidence Interval Design Effect Square Root Design Effect Population Size Unweighted Count
Lower Upper
Mean Gross household weekly income 483.09 8.194 467.02 499.16 1.724 1.313 2236979.000 4695

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Now back to original design and analyse by subgroups


Complex Samples: Descriptives

Warnings
This procedure ignores the SPSS weight variable.





Univariate Statistics


Estimate Standard Error 95% Confidence Interval Design Effect Square Root Design Effect Population Size Unweighted Count
Lower Upper
Mean Gross household weekly income 483.09 10.639 462.16 504.02 2.907 1.705 2236979.000 4695

Subpopulation Descriptives





Univariate Statistics
lonep

Estimate Standard Error 95% Confidence Interval Design Effect Square Root Design Effect Population Size Unweighted Count
Lower Upper
.000000 Mean Gross household weekly income 496.02 11.041 474.30 517.74 2.835 1.684 2105178.000 4361
1.000000 Mean Gross household weekly income 276.56 8.495 259.84 293.27 .839 .916 131801.000 334