Displaying 2 results from an estimated 2 matches for "pcov".
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2005 Oct 07
2
AIC in lmer
Hello all,
Is AIC calculated incorrectly in lmer? It appears as though it uses
AIC = -2*logLik - 2*#parms, instead of -2*LogLik + 2*#parms? Below is
output from one of many models I have tried:
Generalized linear mixed model fit using PQL
Formula: cswa ~ pcov.ess1k + (1 | year)
Data: ptct50.5
Family: poisson(log link)
AIC BIC logLik deviance
224.8466 219.19 -114.4233 228.8466
Random effects:
Groups Name Variance Std.Dev.
year (Intercept) 0.0062643 0.079147
# of obs: 125, groups: year, 2
Estimated scale...
2007 Apr 17
1
PROC DISCRIM vs. lda( ) in MASS
...re the output of PROC DISCRIM to that of lda( ) with respect
to a very specific aspect. My data have k=3 populations and there
are 3 variates in the feature space. When using using the code
PROC DISCRIM DATA = FOO OUT = FOO_OUT OUTSTAT = FOOSTAT
METHOD = NORMAL LIST POOL = YES PCOV MANOVA;
CLASS STRATA;
PRIORS EQUAL;
VAR X1 X2 X3;
RUN;
I am able to easily obtain the linear discriminant functions for
the strata which allow computation of the three discriminant
scores for a given observation. This information is contained
in WORK.FOOTSTAT and may be extract...