Estimated Correlations Among Days for the Combined 1989-91 CSFII. Dietary Assessment Research Series Report 4

Alicia L. Carriquiry, Wayne A. Fuller, J. J. Goyeneche
September 1995  [95-SR 77]

Data obtained from dietary intake surveys are often used to estimate the proportion of the population with insufficient (or excessive) intake of certain dietary components. The authors present a two-step method for obtaining smooth estimates of day-to-day correlations for nutrient intake, and their standard errors, when dietary data are collected on consecutive days.

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