Table 1 Spearman correlations between the parameter estimates of Model (10). Spearman correlations between the boosting estimates and the maximum likelihood estimates, as obtained from the 50 samples following Model (10).

${\widehat{\beta }}_1$

${\widehat{\beta }}_2$

${\widehat{\beta }}_3$

${\widehat{\beta }}_4$

${\widehat{\beta }}_5$