search for: qstablefit

Can anyone explain such different output: > stableFit(s,alpha = 1.75, beta = 0, gamma = 1, delta = 0, + type = c("q", "mle"), doplot = TRUE, trace = FALSE, title = NULL, + description = NULL) Title: Stable Parameter Estimation Call: .qStableFit(x = x, doplot = doplot, title = title, description = description) Model: Student-t Distribution Estimated Parameter(s): alpha beta gamma delta 1.5340000 0.2750000 0.3211991 -0.9922306 Description: Tue Sep 23 22:18:44 2008 by user: Ted > refdata18 = read.csv(&quot...

...ableFit(), and hypFit() of fBasics. However, there are some problems This is the result ====================================== > stableFit(lm, alpha = 1, beta = 0, gamma = 1, delta = 0, doplot = TRUE, trace = FALSE, title = NULL, description = NULL) Title: Stable Parameter Estimation Call: .qStableFit(x = x, doplot = doplot, title = title, description = description) Model: Student-t Distribution Estimated Parameter(s): alpha beta gamma delta NA NA NA NA ====================================== first, this is stable distribution, but in "Model", it's always Student...