Sentence examples for dummy variables were created from inspiring English sources

Since the three indices were categorical, two dummy variables were created for each index in which the high (+1) group was the reference group for all comparisons.

Parent's highest education level in years across mother and father was a variable available at wave 1. Dummy variables were created to indicate whether each child had parents with the lowest levels of education (0 to 12 years), an intermediate level of education (12.01 to 15.50 years), or the highest level of education (15.51 years or more of education).

Dummy variables were created if necessary.

Dummy variables were created for categorical variables.

Dummy variables were created for non-binary categorical variables.

Dummy variables were created for variables with more than 2 categories.

To allow for possible non-linear effects, two time-varying dummy variables were created.

Based on these four statuses, three dummy variables were created: Steady dating, Cohabiting and Married.

For that purpose, dummy variables were created using the homozygous wild-type genotype as reference category.

Corresponding dummy variables were created for the categorical variables as necessary.

In multiple linear regression models, dummy variables were created for age, education and household income.