Sentence examples for using a categorical variable from inspiring English sources

When using a categorical variable, a reference category must be omitted from modeling to serve as the comparison group: any statistical significance pertaining to a particular ethnicity group would be interpreted as that group's difference to the reference group - in this case, whites.

We adjusted for day of the week (DOW) using a categorical variable.

Being able to use a continuous variable in the logistic regressions, instead of an approximation using a categorical variable, outweighs the slightly higher response rate of the CRS (4%), so we have decided to use VAS in future studies.

Education level was the independent variable and modelled using a categorical variable.

Using a categorical variable for calendar period and including county of residence in the model altered the MRR to ≤0.5%.

This temporal variation was accounted for by using a categorical variable that adjusts the spatial surface to account for the individual sampling shift that provided the measurements.

It is used to generate a spatial categorical variable (Matheron et al. 1987) by simulating and truncating a Gaussian random function (GRF).

Firstly, we collected data from two companies, so we use a categorical variable (1 = the household electrical appliance enterprise in Beijing; 2 = the petrochemical equipment company in Luoyang) to tap the difference between two companies (e.g. firm size etc).

Furthermore, we used a categorical variable for all days of the week instead of a Sunday indicator.

First, we estimate odds ratios (and 95% confidence intervals) adjusted for age (5-year age groups were used a categorical variable), sex and region.

For the present analysis, we used a categorical variable defined as follows: (1) no HT use; (2) past HT use; (3) current ET use; and (4) current EPT use.