In the regression model, we introduced several indicator variables to account for seasonal effects.

In the regression model, we included an indicator variable to capture whether a student attended the tutoring program.

Before takeoff, the pilot checked the airspeed indicators and the fuel gauges twice.

The laboratory stocked several redox indicators for use in titrations to detect electron-transfer endpoints.

Indicator functions are often used to simplify expressions in probability and measure theory.

Before takeoff, the maintenance crew inspected the attitude indicators to ensure they were calibrated correctly.

Dietitians compared the glycemic indices of the meals to guide patients with diabetes.

The veterinarian examined the dog's fur for bite indicators before treating the wound.

To test for water contamination, the research team deployed several chemical indicators that changed color in the presence of pollutants.

To improve query performance, the database administrator reorganized the clustered indices after a major data load.