The assessments representing the individual wisdom provided by each expert are usually aggregated in the GEDM process.
In the literature, this problem has been never explicitly studied, and it has been usually aggregated with that of the shadows.
However, FDA survey data are usually aggregated into one mean Hg concentration for each commercial market category.
Furthermore, HIV surveillance data for ACB people are usually aggregated [ 1, 6], thus masking variations in risk and influencing ACB people's and service providers' perceptions about how HIV risk is distributed among ACB people.
However, the issue raised by incomplete data is of greater importance in QoL research because the items of questionnaires are usually aggregated to compute total (sub scale score(s) and that any missing item of a subscale will cause the entire subscale score to be missing.
Yet, while many studies on socioeconomic inequalities in the prevalence of chronic conditions include older people, data are usually aggregated for these older participants (often >65 years) e.g. [ 12- 15], (with some exceptions, e.g. [ 9, 16, 17]), and there is very limited evidence of inequalities specifically among the oldest old (≥80 years) [ 9, 18].
In tournaments, game scores are usually aggregated, so individual wins and losses are not as important as the actual scorelines.
And the alternative is usually to aggregate the data, so that you could show, say, the incidence of cholera by geographical area - a choropleth.
Research on the demand for LTC services, as well as research on LTC expenditures, is usually based on aggregated and/or historical data about LTC expenditures and having countries as the unit of analysis, and is used to identify economic, demographic, and institutional determinants of futures expenditures.
This is usually done by aggregating the transactions in order to observe the spending behavioral patterns of the customers.
