[R] Beta-coefficients for ZINB model

Dear users, Does anyone have any idea how to generate standardised beta coefficients for a ZINB model in R to compare which explanatory variables are having the greatest impact on the dependent variable? Thanks, Jeremy [[alternative HTML version deleted]] ___

[R] Marginal effects of ZINB models

Dear all, I am modeling the incidence of recreational anglers along a stretch of coastline, and with a vary large proportion of zeros (>80%) have chosen to use a zero inflated negative binomial (ZINB) distribution. I am using the same variables for both parts of the model, can anyone help me with R

Re: [R] Help from DOS Command Prompt

Thanks Jim, I tried ...;C:\Program Files\R\R-2.15.1\bin\x64 and ...;C:\Program Files\R\R-2.15.1\bin\x64\ I still receive the same error message. Thanks w -- View this message in context: http://r.789695.n4.nabble.com/Help-from-DOS-Command-Prompt-tp4637557p4637598.html Sent from the R help ma

Re: [R] Help from DOS Command Prompt

Thank you all, I tried adding to the path variable ...;C:\Program Files\R\R-2.15.1\bin\x64\R.exe I then entered r.exe --help at the Windows Command Prompt I received the same error message: "r.exe is not recognized as an internal or external command, operable program or batch file" I tried many

[R] Help from DOS Command Prompt

Hi all, I am new to R. I downloaded and installed R 2.15.1 I tried typing R.exe --help at the DOS Command line C:\", but I keep receiving: [quote] R.exe is not recognized as an internal or external command [/quote] I tried many variations of R.exe --help, but roughly the same response Any ideas?

[R] Generating repeated network measures in R

I am working on directed network data of the following form: Origin farm Destination farm Year Farm 1 -> Farm 21999 Farm 1 -> Farm 31999 Farm 3 -> Farm 22000 Farm 1 -> Farm 2