search for: gvif

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2012 Dec 13
0
GLMM - lme4 - binomial family, quadrinomial data: Can one partition be response and another be dependent variable?
...Part1 part2 part3 part4 part1 1.0000000 -0.1035692 -0.3913199 0.3611188 part2 -0.1035692 1.0000000 -0.7542708 0.1309893 part3 -0.3913199 -0.7542708 1.0000000 -0.6597187 part4 0.3611188 0.1309893 -0.6597187 1.0000000 Variance inflation factors GVIF part1 3.881838 part2 16.648054 part3 29.613167 part4 7.335692 In general, the response variable is not included in this test. So, let's pretend I wanna use part2 as my response variable, so I exclude it from the analyses. I noticed that part2 and part3 have very high correlation (...
2006 Jul 15
0
How to Interpret Results of Regression in R
...1 1.00 0.3165 house3 1.58 1 530.37 < 2e-16 *** house4 0.76 1 254.75 < 2e-16 *** Residuals 8.86 2974 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 GVIF Df GVIF^(1/2Df) as.factor(parkfee) 1.570 2 1.119 fare 1.562 1 1.250 as.factor(ohouse) 1.063 3 1.010 tripMIN 1.110 1 1.054 as.factor(Devt2) 2.378 3 1.155 cityarea 4.188 1 2.046 coreDistance...
2006 Jul 05
2
Colinearity Function in R
Is there a colinearty function implemented in R? I have tried help.search("colinearity") and help.search("collinearity") and have searched for "colinearity" and "collinearity" on http://www.rpad.org/Rpad/Rpad-refcard.pdf but with no success. Many thanks in advance, Peter Lauren.
2012 Sep 20
2
Variance Inflation Factor VIC() with a matrix
Hi everyone, Running the vif() function from the car package like ---------------------------------------------------- > reg2 <- lm(CARsPur~Delay_max10+LawChange+MarketTrend_20d+MultiTrade, data=data.frame(VarVecPur)) > vif(reg2) Delay_max10 LawChange MarketTrend_20d MultiTrade 1.010572 1.009874 1.004278 1.003351