rvif (version 3.0)

employees: Spanish company employee data

Description

Data used in example 3 of Salmerón, García and García (2024) (subsection 4.3) on the number of employees of Spanish companies.

Usage

data("employees")

Format

A data frame with 15 observations on the following 5 variables:

NE

Number of employees (dependent variable).

cte

Intercept.

FA

Fixed assets (in euros).

OI

Operating income (in euros).

S

Sales (in euros).

Details

This dataset is originally used by Salmerón, Rodríguez, García and García (2020).

References

Salmerón, R., Rodríguez, A., García, C.B. and García, J. (2020). The VIF and MSE in raise regression. Mathematics, 8(4), doi: https://doi.org/10.3390/math8040605.

Salmerón, R., García, C.B. and García, J. (2025). A redefined Variance Inflation Factor: overcoming the limitations of the Variance Inflation Factor. Computational Economics, 65, 337-363, doi: https://doi.org/10.1007/s10614-024-10575-8.

Examples

  head(employees, n=5)
  y = employees[,1]
  x = employees[,3:5]
  multicollinearity(y, x)