09-01-2015
KLite
Calcite | Level 5
Member since
07-16-2014
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Latest posts by KLite
Subject Views Posted 3553 07-17-2014 11:27 AM 3752 07-17-2014 10:42 AM 3752 07-17-2014 10:11 AM 3752 07-17-2014 09:31 AM 3752 07-17-2014 08:24 AM 3752 07-16-2014 07:28 PM 4163 07-16-2014 10:33 AM -
Activity Feed for KLite
- Posted Re: Panel proc: "Hausman statistic cannot be calculated" on Statistical Procedures. 07-17-2014 11:27 AM
- Posted Re: Panel proc: "Hausman statistic cannot be calculated" on Statistical Procedures. 07-17-2014 10:42 AM
- Posted Re: Panel proc: "Hausman statistic cannot be calculated" on Statistical Procedures. 07-17-2014 10:11 AM
- Posted Re: Panel proc: "Hausman statistic cannot be calculated" on Statistical Procedures. 07-17-2014 09:31 AM
- Posted Re: Panel proc: "Hausman statistic cannot be calculated" on Statistical Procedures. 07-17-2014 08:24 AM
- Posted Re: Panel proc: "Hausman statistic cannot be calculated" on Statistical Procedures. 07-16-2014 07:28 PM
- Posted Panel proc: "Hausman statistic cannot be calculated" on Statistical Procedures. 07-16-2014 10:33 AM
07-17-2014
11:27 AM
Steve, Thanks for all your advice. You have been extremely helpful and certainly had provided excellent insights to my problem. I'll try to sniff around some more and hope to report some good news soon.
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07-17-2014
10:42 AM
Steve, I tried using just VARA and VARB (and dropped VARC, VARD and VARE) for the PROC PANEL. model VARA = VARB But still the multicollinearity problem exist! How is that even possible?
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07-17-2014
10:11 AM
Hi folks, Looks like it is indeed a multicollinearity problem. I replaced my data with random dummy variables and I could run results. Now, how do I deal with this multicollinearity problem...
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07-17-2014
09:31 AM
Steve, Good that you asked about FIXTWO because there is also a minor issue there which I am not sure if it is related to this Hausman un-calculability. No issues with FIXONE, Pooled OLS, Parks and DaSilva though as far as generating readable results. The PROC PANEL codes for FIXTWO are: *Fixed effects or within estimator; proc panel data=data; id Country Monthyear; model VARA = VARB VARC VARD VARE /FIXTWO; label VARA = 'Variable A' VARB = 'Variable B' VARC = 'Variable C' VARD = 'Variable D' VARE = 'Variable E'; run; The output is: Intercept 1 1968.87 158.6 12.41 <.0001 Intercept VARB 0 0 . . . Variable B VARC 1 3.730877 0.9410 3.96 <.0001 Variable C VARD 1 -0.05416 0.0139 -3.88 0.0001 Variable D VARE 1 0.003923 0.000224 17.52 <.0001 Variable E You see the similarity in the Hausman Test output and the FIXTWO output for VARB? The log says: "The transformed regression does not have full rank. User should be aware of possible multicollinearity and/or estimability problems before using FixTwo method results."
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07-17-2014
08:24 AM
Steve, The following is the PROC PANEL CODE for both Fuller-Battese and Wallace-Hussain. Both could not yield any result in the Hausman Test. I have replaced the variables with generic terms for easier reference. Thanks so much for your help in looking into this. *Random effects estimator; proc panel data=data; id Country Monthyear; model VARA = VARB VARC VARD VARE /RANTWO vcomp=fb; label VARA = 'Variable A' VARB = 'Variable B' VARC = 'Variable C' VARD = 'Variable D' VARE = 'Variable E'; run; *Random effects estimator; proc panel data=data; id Country Monthyear; model VARA = VARB VARC VARD VARE /RANTWO vcomp=wh; label VARA = 'Variable A' VARB = 'Variable B' VARC = 'Variable C' VARD = 'Variable D' VARE = 'Variable E'; run;
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07-16-2014
07:28 PM
Thank you, I will check out if it is due to multicollineariy and report accordingly.
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07-16-2014
10:33 AM
Hi folks, I tried running a panel procedure (RANTWO vcomp=fb), but the log shows the following error message: "Hausman statistic cannot be calculated because different variables were dropped in the random effects model than in the fixed effects model." The output shows: Hausman Test for Random Effects DF m Value Pr > m 0 . . Could someone please advise on what went wrong and how to rectify this?
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