pisa-clustered-ols

Prediction of all countries’ PISA scores with macroeconomic indicators using pooled OLS with clustered standard errors.

Out-of-sample prediction scores:

Metric	PISA Math Scores	PISA Reading Scores	PISA Science Scores
$R^2$	0.7815	0.7007	0.7185
$R^2_{adjusted}$	0.7772	0.6954	0.7119
RMSE	18.9328	23.9736	15.1846
Predictors	'GINI', 'log(PCT_EDU_TRY)', 'ALC_PC', 'HOMICIDES'	'CPI', 'GINI', 'log(PCT_EDU_TRY)', 'ALC_PC'	'log(PCT_EDU_TRY)', 'GINI', 'ALC_PC', 'CPI'

Data from OECD and Worldbank.

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