Re: [R] Potential Issue with lm.influence

2019-04-03 Thread Eric Bridgeford
I don't see what more could usefully be > done. > > Best, > John > > > On Apr 2, 2019, at 9:08 PM, Eric Bridgeford wrote: > > > > Hey John, > > > > I am aware they are high leverage points, and that the model is not the > > best for th

Re: [R] Potential Issue with lm.influence

2019-04-03 Thread Eric Bridgeford
t;>> 0.00176714586764426, 0.00090477868423386, 0.00359136400182873 > >>> > >>> > >>> )), row.names = c(NA, -13L), class = "data.frame") > >>> > >>> fit <- glm.nb(Moons ~ Volume, data = moon_data) > >>> rst

Re: [R] Fwd: Potential Issue with lm.influence

2019-04-03 Thread Eric Bridgeford
hich may explain the source of > > > your NaN's . > > > > > > Bert Gunter > > > > > > "The trouble with having an open mind is that people keep coming along > > > and sticking things into it." > > > -- Opus (aka Berkeley

Re: [R] Fwd: Potential Issue with lm.influence

2019-04-03 Thread Eric Bridgeford
s occurring there and not in the "influence" function. > > Jim > > On Wed, Apr 3, 2019 at 9:12 AM Eric Bridgeford wrote: > > > > I agree the influence documentation suggests NaNs may result; however, as > > these can be manually computed and are, indeed, fin

Re: [R] Fwd: Potential Issue with lm.influence

2019-04-02 Thread Eric Bridgeford
ou insist on >> *attaching* data or code. Others may have better advice. >> >> >> Bert Gunter >> >> "The trouble with having an open mind is that people keep coming along >> and sticking things into it." >> -- Opus (aka Berkeley Breathed in his

Re: [R] Fwd: Potential Issue with lm.influence

2019-04-02 Thread Eric Bridgeford
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > On Tue, Apr 2, 2019 at 11:32 AM Eric Bridgeford > wrote: > >> Hi R core team, >> >> I experienced the following issue with the attached data/code snippet, >> where the stu

[R] Fwd: Potential Issue with lm.influence

2019-04-02 Thread Eric Bridgeford
g is that the specific issue would have to do with the leave-one-out variance estimate associated with this particular point, which it seems based on my understanding should be finite given finite predictors/responses. Let me know. Thanks! Sincerely, -- Eri