Table 5. Root mean squared error for the five output variables in Model 2 for a joint regression model trained on all the input variables.

Variables	RMSE Score
Reduction in staff	0.4618
% reduction in revenue	0.3925
<10% and 10–19% (% of reduction)	0.5392
20–29% and 30–39% (% of reduction)	0.4864
40–49% and >50% (% of reduction)	0.3207