[R] Re : Problems with generalized linear model (glm) coefficients.

2012-03-07 Thread Pascal Oettli
Hi Lucas, Do you apply your analysis in time or in space? Regards, Pascal   - Mail original - De : Lucas lpchaparro...@gmail.com À : r-help@r-project.org Cc : Envoyé le : Mercredi 7 mars 2012 22h34 Objet : [R] Problems with generalized linear model (glm) coefficients. Hello to

Re: [R] Re : Problems with generalized linear model (glm) coefficients.

2012-03-07 Thread Lucas
Hi Pascal. I applied my analysis in time. I have 25 fire seasons, each season starts on November and ends up on April (our summer), so I have used them as independent observations. I know that assumption it could be wrong, but is the only way I can use the information available. Thank you.

Re: [R] Re : Problems with generalized linear model (glm) coefficients.

2012-03-07 Thread peter dalgaard
On Mar 7, 2012, at 15:02 , Lucas wrote: Hi Pascal. I applied my analysis in time. I have 25 fire seasons, each season starts on November and ends up on April (our summer) Hey, why are you worrying about regression coefficients. _Everything_ is upside-down at your place... ;-) , so I

Re: [R] Re : Problems with generalized linear model (glm) coefficients.

2012-03-07 Thread Lucas
Thank you. What could be a User Error? where could I be making a mistake? I cannot use a lm because my data is not normal, is categorical (count data). So my first option was Poisson, but had severe overdispersion problems so I used Binomial Negative as an option. Thank you for taking the

Re: [R] Re : Problems with generalized linear model (glm) coefficients.

2012-03-07 Thread David Winsemius
On Mar 7, 2012, at 12:13 PM, Lucas wrote: Thank you. What could be a User Error? where could I be making a mistake? Please consider what you are requesting. Attempting to enumerate the possible errors would start with data input errors, progress through transformational errors and