[R] Time Series Count Models

2005-07-16 Thread Brett Gordon
Hello, I'm trying to model the entry of certain firms into a larger number of distinct markets over time. I have a short time series, but a large cross section (small T, big N). I have both time varying and non-time varying variables. Additionally, since I'm modeling entry of firms, it seems like

[R] Time Series Count Models

2005-07-16 Thread Brett Gordon
Hello, I'm trying to model the entry of certain firms into a larger number of distinct markets over time. I have a short time series, but a large cross section (small T, big N). I have both time varying and non-time varying variables. Additionally, since I'm modeling entry of firms, it seems like

Re: [R] Time Series Count Models

2005-07-18 Thread Brett Gordon
"lme" in library(nlme)? If you want to go this > route, I recommend Pinheiro and Bates (2000) Mixed-Effect Models in S > and S-Plus (Springer). > > spencer graves > > Brett Gordon wrote: > > > Hello, > > > > I'm trying to model

Re: [R] Time Series Count Models

2005-07-18 Thread Brett Gordon
89 (1999): 317-338 > > A.C. Harvey and C. Fernandes, "Time Series Models for Count or > Qualitative Observations, " Journal of Business & Economic Statistics, 4 > (1989): 407- > > > I recall liking this one a lot > > J E Kelsall and Scott Zeger and J M

[R] Multiple plots on a common x-axis, different y-axes

2006-02-12 Thread Brett Gordon
Hello, I'd like to plot two functions on the same x-axis, but with two different y-axis. However, I can't seem to find the write plotting function to do this with. Any help would be greatly appreciated. Thanks, Brett [EMAIL PROTECTED] __ R-help@stat