Sentence examples for used as a reference category from inspiring English sources

These rankings were used to create three dummy variables: (1) free countries (free countries = 1, used as a reference category); (2) partly free countries (partly free countries = 1); and (3) unfree countries (unfree countries = 1).

Corresponding to the aforementioned historic stages of the employment system change, we distinguish the employment environment in the temporal dimension by three periods, including the pre-reform period (before 1979; used as a reference category), between 1979 and 1991 (state-dominant stage), between 1992 and 1997 (state-market competing stage), and between 1998 and 2003 (market-dominant stage).

Normal BMI was used as a reference category.

Responsive feeding style was used as a reference category in the model.

Cured TB status was used as a reference category instead of the present rendition.

In addition, aMCI was also used as a reference category to evaluate AD risk.

The International Standard Classification of Occupations (ISCO) could be used as a reference, although additional categories and definitions of health workers are also needed.

This classification allows for the healthiest duration (8 h) to be used as a reference group for all other categories.

Because the gene composition of microarray is used as a reference, uneven presentation of functional categories can distort the results.

The middle category was used as a reference.

The lowest tertile category was used as a reference.