Frequently Asked Questions

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What is the difference between adjusted and not adjusted estimates?

The unadjusted estimates are Horvitz-Thompson estimates. In other words, they are computed by summing weighted data (reported or imputed) where the weight for a given unit is the reciprocal its probability of being selected into the sample.

The adjusted estimates are adjusted for seasonal variation and trading-day differences using the Census Bureau's X-12 ARIMA program.


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