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What are the implications/advantages/drawbacks of the “Assume fewer than [x] number of cases” option?

April 26, 2017advantages drawbacks implications option

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What are the implications/advantages/drawbacks of the “Assume fewer than [x] number of cases” option?

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This method avoids the overhead of running a separate query to determine the number of cases by always returning the same number for the case count, therefore it is much faster. If there are in fact more cases than this in the Recordset, the cases beyond this number will be ignored by analyses. If there are fewer cases than this, the “extra” cases that the analysis will expect to see but are not available will be treated as missing data. If there are many, many fewer cases in the Recordset than the chosen upper bound indicates, the Analysis will waste time attempting to process the non-existent cases.