search for: rrvglm

Hello R users, I have a puzzle with the VGAM package, on my first excursion into generalized additive models, in that this very nice package seems to want to do either more or less than what I want. Precisely, I have a 4-component outcome, y, and am fitting multinomial logistic regression with one predictor x. What I would like to find out is, is there a single nonlinear function f(x) which acts

...hich would be a mix of poisson variables and bernoulli variables (0/1 response) for idea this would be invoked like this: vglm(...,family=mixpoissonmultinom(npoisson,n01response)) where the n's give the number of each type of response. 2) and a simpler question : How to use constraints in rrvglm? for example, i want to regress X1 X2 X3 X4 (poisson variables with log-link) on two factor-type variables N1, N2 but i would like to use X1 and X2 [or something like 1(X1>X2)] in the estimation of X3 and X4 (but not in X1 X2 estimation of course). i can do it with simple vglm (with the constr...

Hi Folks, I wonderif someone who is familiar with the details of vglm in the VGAM package can assist me. I'm new to using it, and there doesn;t seem much in the documentation that's relevant to the question below. Say I have a vector x of 0/1 responses and another vector y of 0/1 responses, these in fact being a bivariate set of 0/1 responses equivalent to cbind(x,y). E.g.

...ate Logistic Regression binom2.rho Bivariate Probit Model binomialff Binomial Family Function bisa Birnbaum-Saunders Distribution Family Function brat Bradley Terry Model bratt Bradley Terry Model With Ties calibrate.qrrvglm Calibration for CQO, UQO and CAO models cao Fitting Constrained Additive Ordination (CAO) cauchy1 Cauchy Distribution Family Function cdf.lmscreg Cumulative Distribution Function for LMS Quantile Regression cexpon...