Displaying 5 results from an estimated 5 matches for "dvcov".
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vcov
2012 Oct 29
1
Hausman test error solve
...~ DiffClosenessC +ZZiele + AggSK + nRedundantStrecken +
Degree + KantenGew + BetweennessC + SitzKappazitaet,
data=Panel,index=c("id","time"), model="random")
summary(random)
phtest(fixed, random)
I get an error from phtest(fixed, random)
Fehler in solve.default(dvcov) :
System ist f?r den Rechner singul?r: reziproke Konditionszahl = ...
Error in solve.default(dvcov) :
system is computationally singular: reciprocal condition number =...
Can someone Help me with this problem or give me a hint where to look?
Thanks
gloria
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2018 Feb 11
2
Hausman test
...EIV~LSIZE+LAGE+LAGE2+CFLOW+STLEV+FCOST+PGROWTH+NGROWTH+TURN+GPROF+GPROF2,data=data,model="within")
>
gr<-plm(RECEIV~LSIZE+LAGE+LAGE2+CFLOW+STLEV+FCOST+PGROWTH+NGROWTH+TURN+GPROF+GPROF2,data=data,model="random")
> phtest(gw,gr)
I got this answer:
Error in solve.default(dvcov) :
how can I solve this problem?
Thank you
[[alternative HTML version deleted]]
2018 Feb 11
1
Hausman test
you are right about the 3rd line but it doesn't help me for my problem. I
remove the 3rd line but there is still the same problem:
Error in solve.default (dvcov):
the system is numerically unique: reciprocity condition value =
1.63418e-19
Paolo
2018-02-11 16:54 GMT+01:00 Bert Gunter <bgunter.4567 at gmail.com>:
> Note the typo in your 3rd line: data <
>
> Don't know if this means anything...
>
> Bert
>
>
>
> O...
2006 Nov 25
1
hausman Test
Does anyone know how to do an Hausman test?
I?ve estimate a modell (some alternatives) with clogit an wanted to test the
IIA test (Independence of Irrelevant
Alternatives) after estimating a multinomial logit model?
Thank you
2018 Feb 11
0
Hausman test
...PGROWTH+NGROWTH+TURN+GPROF+GPROF2,data=data,model="within")
> >
> gr<-plm(RECEIV~LSIZE+LAGE+LAGE2+CFLOW+STLEV+FCOST+
> PGROWTH+NGROWTH+TURN+GPROF+GPROF2,data=data,model="random")
> > phtest(gw,gr)
>
> I got this answer:
>
> Error in solve.default(dvcov) :
>
> how can I solve this problem?
>
> Thank you
>
> [[alternative HTML version deleted]]
>
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