Displaying 3 results from an estimated 3 matches for "glsestcontrol".
2003 Sep 25
1
Error from gls call (package nlme)
Hi
I have a huge array with series of data. For each cell in the array I
fit a linear model, either using lm() or gls()
with lm() there is no problem, but with gls() I get an error:
Error in glsEstimate(glsSt, control = glsEstControl) :
computed gls fit is singular, rank 2
as soon as there are data like this:
> y1 <- c(0,0,0,0)
> x1 <- c(0,1,1.3,0)
> gls(y1~x1)
Error in glsEstimate(glsSt, control = glsEstControl) :
computed gls fit is singular, rank 2
of course, this is not a problem for l...
2017 May 10
2
bug report: nlme model-fitting crashes with R 3.4.0
...found
gls(distance ~ age + Sex, data = Orthodont,
correlation = corCompSymm( form = ~ 1 | Subject))
# Error in corMatrix.corCompSymm(object) :
# object 'compSymm_matList' not found
#
#Upon debugging, the error is thrown by line 60 of gls code
#
#glsSt <- Initialize(glsSt, dataMod, glsEstControl)
R.version
# _
# platform x86_64-w64-mingw32
# arch x86_64
# os mingw32
# system x86_64, mingw32
# status
# major 3
# minor 4.0
# year 2017
# month 04
# day 21
# svn rev 72570
# language R
# version.s...
2017 May 11
0
bug report: nlme model-fitting crashes with R 3.4.0
...Orthodont,
> correlation = corCompSymm( form = ~ 1 | Subject))
>
> # Error in corMatrix.corCompSymm(object) :
> # object 'compSymm_matList' not found
> #
> #Upon debugging, the error is thrown by line 60 of gls code
> #
> #glsSt <- Initialize(glsSt, dataMod, glsEstControl)
>
> R.version
>
> # _
> # platform x86_64-w64-mingw32
> # arch x86_64
> # os mingw32
> # system x86_64, mingw32
> # status
> # major 3
> # minor 4.0
> # year 2017
> # month 04
> # day...