Hi The data are not discrete. We collect number per hour, so it's a yield !
Thanks EJ On Wed, 2002-10-02 at 15:27, Nicholas Lewin-Koh wrote: > Hi, > If the data are counts, ie integer number of fish and not tons, you > might want to try a discrete model such as a negative binomial or > Poisson. I have listed some references below, the top two have a more > Bayesian flavor. > > Nicholas > > > Alexander, N., Moyeed, R., Stander, J. (2000). Spatial modelling of > individual-level parasite counts using the negative binomial > distribution, Biostatistics, 2000, 1, 453-463. > > Diggle, P. J., Moyeed, R. A., Tawn, J. A. (1998). Model-based > geostatistics (with discussion), J. R. Statist. Soc. C, 47, 299-350. > > Gotway, C.A., Stroup, W.W. (1997) A Generalized Linear Model Approach > to Spatial Data Analysis and Prediction. Journal of Agricultural, Bio- > logical and Environmental Statistics 2(2), pp. 157178. > > > On Wed, 2002-10-02 at 19:24, Ernesto Jardim wrote: > > Hi > > > > I'm analysing fisheries data (number of fish caught per hour) and I have > > some 0 values. When I log-trans I have to translate the values by hading > > some value. > > > > My question is which value is the best ? is there any works about this ? > > > > I usually had 1 so that I get values between 0 and infinite (no negative > > value) but I have doubts about it. > > > > Regards > > > > EJ > > > > > > > > > > -- > > * To post a message to the list, send it to [EMAIL PROTECTED] > > * As a general service to the users, please remember to post a summary of any >useful responses to your questions. > > * To unsubscribe, send an email to [EMAIL PROTECTED] with no subject and >"unsubscribe ai-geostats" followed by "end" on the next line in the message body. DO >NOT SEND Subscribe/Unsubscribe requests to the list > > * Support to the list is provided at http://www.ai-geostats.org > > > > > > > -- * To post a message to the list, send it to [EMAIL PROTECTED] * As a general service to the users, please remember to post a summary of any useful responses to your questions. * To unsubscribe, send an email to [EMAIL PROTECTED] with no subject and "unsubscribe ai-geostats" followed by "end" on the next line in the message body. DO NOT SEND Subscribe/Unsubscribe requests to the list * Support to the list is provided at http://www.ai-geostats.org
