search for: mancanti

Displaying 1 result from an estimated 1 matches for "mancanti".

2008 Mar 15
1
again with polr
...1709 6.88459 7.27907 7.82273 > 8|9 9|10 > 8.50723 8.83105 > Residual Deviance: 16325.59 > AIC: 16367.59 > (58 observations deleted due to missingness) unfortunately when I do > summary(try.op) I get > summary(try.op) > Errore in svd(X) : valori infiniti o mancanti in 'x' ... infinite or missing values. If I exclude I(eta^2) from the estimation I can do summaries: but I need also I(eta^2) in order to compare this model with the same specification estimated with Ols Can you please help me or give me an hint? If it can be useful, i hereby put an e...