R Under development (unstable) (2025-04-26 r88181 ucrt) -- "Unsuffered Consequences"
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> 
> 
> library(msme)
Loading required package: MASS
Loading required package: lattice
> 
> data(ufc)
> ufc <- na.omit(ufc)
> 
> ufc.g.reg <- ml_g(height.m ~ dbh.cm, data = ufc)
> 
> ufc.g.lm <- lm(height.m ~ dbh.cm, data = ufc)
> 
> ufc.g.reg

Call:
ml_g(formula = height.m ~ dbh.cm, data = ufc)

No coefficients

> ufc.g.lm

Call:
lm(formula = height.m ~ dbh.cm, data = ufc)

Coefficients:
(Intercept)       dbh.cm  
    12.6757       0.3126  

> 
> summary(ufc.g.reg)

Call:
ml_g(formula = height.m ~ dbh.cm, data = ufc)

Residuals:
    Min      1Q  Median      3Q     Max 
-33.525  -2.863   0.132   2.851  13.320 

Coefficients:
            Estimate       SE        Z      LCL    UCL
(Intercept) 12.67708  0.56271 22.52853 11.57416 13.780
dbh.cm       0.31256  0.01384 22.57707  0.28543  0.340
Log Sigma    1.59521  0.03577 44.60167  1.52511  1.665

Residual standard error: 4.929 on 391 degrees of freedom

> summary(ufc.g.lm)

Call:
lm(formula = height.m ~ dbh.cm, data = ufc)

Residuals:
    Min      1Q  Median      3Q     Max 
-33.526  -2.862   0.132   2.851  13.321 

Coefficients:
            Estimate Std. Error t value Pr(>|t|)    
(Intercept) 12.67570    0.56406   22.47   <2e-16 ***
dbh.cm       0.31259    0.01388   22.52   <2e-16 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 4.941 on 389 degrees of freedom
Multiple R-squared:  0.566,	Adjusted R-squared:  0.5649 
F-statistic: 507.4 on 1 and 389 DF,  p-value: < 2.2e-16

> 
> coef(ufc.g.reg)
NULL
> 
> logLik(ufc.g.reg)
'log Lik.' NaN (df=)
> logLik(ufc.g.lm)
'log Lik.' -1178.469 (df=3)
> 
> AIC(ufc.g.reg)
numeric(0)
> AIC(ufc.g.lm)
[1] 2362.938
> 
> 
> 
> 
> 
> proc.time()
   user  system elapsed 
   0.28    0.12    0.39