Displaying 3 results from an estimated 3 matches for "pliu".
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liu
2003 Mar 01
1
error message from gls(), unstructured in lower triangle, identical diagonal, help.
...for other similar data.
The data and the codes are as follows.
I am wondering whether I can get help here.
Thanks a lot!
Peng Liu
------------------------------
Peng Liu |
Division of Statistics |
Northern Illinois University |
De Kalb, IL 60115, USA |
E-mail: pliu at math.niu.edu |
------------------------------
########Here are the codes and data##########
sample <-
cbind(c(1.831573,0.820619,2.081226,1.441899,-1.316942,-0.9153977,-2.615172,0.6244147,-1.384212,0.2537837,-0.008428624,-0.4111116,-0.919574,-1.69364,-0.7349749,-1.608629,-0.03456573,-2.3...
2003 Mar 04
2
How to extract R{i} from lme object?
...need from summary(), but how
can I extract them? I tried several functions in nlme,
but I cannot find a correct one.
Peng
Peng Liu
------------------------------
Peng Liu |
Division of Statistics |
Northern Illinois University |
De Kalb, IL 60115, USA |
E-mail: pliu at math.niu.edu |
------------------------------
2003 Mar 15
1
formula, how to express for transforming the whole model.matrix, data=Orthodont
...to realize transformation for the whole
design matrix, especially when having factors in the
formula.
Thanks a lot!
Peng
Peng Liu
------------------------------
Peng Liu |
Division of Statistics |
Northern Illinois University |
De Kalb, IL 60115, USA |
E-mail: pliu at math.niu.edu |
------------------------------