
Dear R-users,

I need some  assistance.

I am running some interactive variables for categorical variables.

I have dgen(2 levels converted to dummy variables)  and dtoe(4-levels also converted to  dummy variables). So I have worked with them in two ways:
i created a variable X1 = dgen*dtoe  and I get an error "Error in dgen * dtoe : non-conformable arrays"then i run a glm, binomial using that interaction variable and i get :                  logit_x = glm(samp2$STATUS ~ dgen*dtoe, data=samp2,family = binomial("logit"))
> summary(logit_x)

Call:
glm(formula = samp2$STATUS ~ dgen * dtoe, family = binomial("logit"), 
    data = samp2)

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-2.6594   0.2431   0.2563   0.2563   0.2563  

Coefficients: (5 not defined because of singularities)
                              Estimate Std. Error z value Pr(>|z|)
(Intercept)                  1.857e+01  4.612e+03   0.004    0.997
dgendfemale                  1.024e-09  3.766e+03   0.000    1.000
dgendmale                           NA         NA      NA       NA
dtoedpermanent1             -1.517e+01  4.612e+03  -0.003    0.997
dtoedcontract1              -1.511e+01  4.612e+03  -0.003    0.997
dtoedprobation1              2.229e-09  4.982e+03   0.000    1.000
dgendfemale:dtoedpermanent1  1.069e-01  3.766e+03   0.000    1.000
dgendmale:dtoedpermanent1           NA         NA      NA       NA
dgendfemale:dtoedcontract1   1.511e+01  3.962e+03   0.004    0.997
dgendmale:dtoedcontract1            NA         NA      NA       NA
dgendfemale:dtoedprobation1         NA         NA      NA       NA
dgendmale:dtoedprobation1           NA         NA      NA       NA

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 269.48  on 999  degrees of freedom
Residual deviance: 266.56  on 993  degrees of freedom
AIC: 280.56

Number of Fisher Scoring iterations: 17

The thing is I need the coefficients, the p-values and t-values of all the variables. In other words i do not want an output of NAs. How can I achieve this?

Thanks alot.

Taby


An idea not coupled with action will never get any bigger than the brain cell it occupied.
Arnold Glasgow
......
"Attempt something large enough that failure is guaranteed…unless God steps in!"

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