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Hi folks. Is use Linux Mageia 2 Cauldron x86_64 and I install with repository wine. In system I have Code: wine64-1.3.25-2.mga2 wine64-gecko-1.2.0-1.mga1 wine32-1.3.25-2.mga2 lib64kwineffects1-4.7.0-3.mga2 wine-gecko-1.2.0-1.mga1 I installed 64-bit version because many applications ie Winrar 64bit I did not work. But now there are problems to me, I have a game Limbo

...*mu_s^2*sigma_s^4+15*sigma^6-30*prob*sigma_s^6)/(1-2*prob) g <- cbind(m1, m2, m3, m4, m5, m6) return(g) } Initial value for the parameters: tet0 [1] 12.1824940 -0.7408182 20.0855369 0.5000250 2.0137527 2.2255409 Calling the function: res <- gmm(g,x,tet0) Warning message: In FinRes.baseGmm.res(z, Model_info) : The covariance matrix of the coefficients is singular @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Cheers, Fernando