search for: pro1_strength

Displaying 2 results from an estimated 2 matches for "pro1_strength".

2011 Aug 01
0
Help with modFit of FME package 2
...with more equations, but I still obtain this error). I would appreciate if someone could help me in understanding the reason of the error and in fixing it. Thanks for your attention, Paola Lecca. Here the error: > summary(Fit) Parameters: Estimate Std. Error t value Pr(>|t|) pro1_strength 1 NA NA NA Residual standard error: 2.124 on 10 degrees of freedom Error in cov2cor(x$cov.unscaled) : 'V' is not a square numeric matrix In addition: Warning message: In summary.modFit(Fit) : Cannot estimate covariance; system is singular _____________________...
2011 Jul 28
2
Help with modFit of FME package
...ith more equations, but I still obtain this error). I would appreciate if someone could help me in understanding the reason of the error and in fixing it. Thanks for your attention, Paola Lecca. Here the error: > summary(Fit) Parameters: Estimate Std. Error t value Pr(>|t|) pro1_strength 1 NA NA NA Residual standard error: 2.124 on 10 degrees of freedom Error in cov2cor(x$cov.unscaled) : 'V' is not a square numeric matrix In addition: Warning message: In summary.modFit(Fit) : Cannot estimate covariance; system is singular -------------- next pa...