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Table 6 Importance of independent variables for regression trees for final grade

From: The academic performance of students with a migrant background: evidence from a cohort enrolled at Sapienza University of Rome

Final grade
Total population Foreign population
Independent variable Importance Relative importance (%) Independent variable Importance Relative importance (%)
Type of high-school diploma 1.0245 100.00 Geographical area of citizenship 0.3645 100.00
Age 0.7389 72.12 Age 0.3208 88.00
Domicile 0.3300 32.20 Type of high-school diploma 0.1730 47.44
Geographical area of citizenship 0.3027 29.54    
Gender 0.2980 29.09