search for: criminology

...macro >seems to do the job, but I can't execute it from the .sas version that >appears on your website's ftp link. > >Thanks for any help that you can provide. > >Best, > >Mike Shott > >Michael J. Shott >Professor >Dept. of Sociology, Anthropology & Criminology >University of Northern Iowa >Cedar Falls, IA 50614-0513 >319/273-7337 > > -- Michael Friendly Email: friendly at yorku.ca Professor, Psychology Dept. York University Voice: 416 736-5115 x66249 Fax: 416 736-5814 4700 Keele Street http://www.math.yorku.ca/SCS/friendl...

...her formulas for the sample statistics nor for the (unbiased) estimates of the population parameters. Is there another definition of kurtosis and skewness that I am not aware of? Dirk -- ************************************************* Dr. Dirk Enzmann Institute of Criminal Sciences Dept. of Criminology Edmund-Siemers-Allee 1 D-20146 Hamburg Germany phone: +49-040-42838.7498 (office) +49-040-42838.4591 (Billon) fax: +49-040-42838.2344 email: dirk.enzmann at jura.uni-hamburg.de www: http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html

Is it possible to avoid the loop in the following function (or make the function otherwise more efficient) and can someone point me to a possible solution? (It would be great if hours could be reduced to seconds :-). # --------------------------------------------- RanEigen=function(items=x,cases=y,sample=z) { X=matrix(rnorm(cases*items),nrow=cases,byrow=F) S=crossprod(X-rep(1,cases) %*%

The update of VR by downloading VR_7.1-6.zip and using install.packages (from local zip files) fails with the following error message: Error in file(file, "r") : unable to open connection In addition: Warning message: cannot open file `VR/DESCRIPTION' Other packages can be installed without problems, except of dse_2003.4-1 with a similar error message. Why? Operating System:

...----------------- R version 2.1.1 Patched (2005-07-15) Package Foreign Version 0.8-10 Operating system: Windows XP Professional (5.1 (Build 2600)) CPU: Pentium Model 2 Stepping 9 RAM: 512 MB ************************************************* Dr. Dirk Enzmann Institute of Criminal Sciences Dept. of Criminology Edmund-Siemers-Allee 1 D-20146 Hamburg Germany phone: +49-040-42838.7498 (office) +49-040-42838.4591 (Billon) fax: +49-040-42838.2344 email: dirk.enzmann at jura.uni-hamburg.de www: http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html

...ke to know why the decision was made to define the mode of action of the par(new=TRUE) statement as it is now. Perhaps that helps me to understand better the way programmers tend to think. ************************************************* Dr. Dirk Enzmann Institute of Criminal Sciences Dept. of Criminology Schlueterstr. 28 D-20146 Hamburg Germany phone: +49-040-42838.7498 (office) +49-040-42838.4591 (Billon) fax: +49-040-42838.2344 email: dirk.enzmann at jura.uni-hamburg.de www: http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html

...way to obtain similar results as in MLWin (or: should I prefer the results of ranef() for certain reasons)? Dirk ----------------------------- R version: 2.3.1 Patched (2006-06-21 r38367) ************************************************* Dr. Dirk Enzmann Institute of Criminal Sciences Dept. of Criminology Edmund-Siemers-Allee 1 D-20146 Hamburg Germany phone: +49-(0)40-42838.7498 (office) +49-(0)40-42838.4591 (Billon) fax: +49-(0)40-42838.2344 email: dirk.enzmann at uni-hamburg.de www: http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html

Can someone show me how to specify zero inflated poisson and zero inflated negative poisson models in R? I would like to replicate the example given in Long (1997: Regression Models for Categorical and Limited Dependent Variables) in Chapter 8.5 (pp. 242-247). TIA Dirk ************************************************* Dr. Dirk Enzmann Criminological Research Institute of Lower Saxony

...ppens, some brackets were wrong: Here are the correct formulas: sd = 1/n * sum((x-mean(x))^2) # (1) sd = 1/(n-1) * sum((x-mean(x))^2) # (2) This also occured in the last paragraph. Dirk ************************************************* Dr. Dirk Enzmann Institute of Criminal Sciences Dept. of Criminology Edmund-Siemers-Allee 1 D-20146 Hamburg Germany phone: +49-040-42838.7498 (office) +49-040-42838.4591 (Billon) fax: +49-040-42838.2344 email: dirk.enzmann at jura.uni-hamburg.de www: http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html

...hat this is tedious - the problem is that the thread is broken. Is there a better way even if I want to keep receiving messages in digest form? The posting guide is silent about this. Dirk ************************************************* Dr. Dirk Enzmann Institute of Criminal Sciences Dept. of Criminology Edmund-Siemers-Allee 1 D-20146 Hamburg Germany phone: +49-(0)40-42838.7498 (office) +49-(0)40-42838.4591 (Billon) fax: +49-(0)40-42838.2344 email: dirk.enzmann at uni-hamburg.de www: http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html

...essage does not occur. Any ideas? ------------------------------ R version: 2.3.1 Patched (2006-06-21 r38367) Operating system: Windows XP (5.1 (Build 2600)) CPU: Pentium Model 2 Stepping 9 ************************************************* Dr. Dirk Enzmann Institute of Criminal Sciences Dept. of Criminology Edmund-Siemers-Allee 1 D-20146 Hamburg Germany phone: +49-(0)40-42838.7498 (office) +49-(0)40-42838.4591 (Billon) fax: +49-(0)40-42838.2344 email: dirk.enzmann at uni-hamburg.de www: http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html

...gy ? Information Technology in Physics ? Information Technology in Technology & AppliedScience ? Information Technology in Zoology 2. Information Technology in Social Science ? Information Technology in Business & Finance ? Information Technology in Communication ? Information Technology in Criminology & Penology ? Information Technology in Demography ? Information Technology in Economics ? Information Technology in Education ? Information Technology in Law ? Information Technology in Management Science ? Information Technology in Health & Rehabilitation ? Information Technology in Public...

...gy ? Information Technology in Physics ? Information Technology in Technology & AppliedScience ? Information Technology in Zoology 2. Information Technology in Social Science ? Information Technology in Business & Finance ? Information Technology in Communication ? Information Technology in Criminology & Penology ? Information Technology in Demography ? Information Technology in Economics ? Information Technology in Education ? Information Technology in Law ? Information Technology in Management Science ? Information Technology in Health & Rehabilitation ? Information Technology in Public...

...(x1,x2,mvalid=1) or test(x1,x3,x5,mavlid=2) and that within the function cbind(x1,x2) or cbind(x1,x3,x5) will be used. Can someone give and explain an example / a solution on how to proceed? ************************************************* Dr. Dirk Enzmann Institute of Criminal Sciences Dept. of Criminology Edmund-Siemers-Allee 1 D-20146 Hamburg Germany phone: +49-040-42838.7498 (office) +49-040-42838.4591 (Billon) fax: +49-040-42838.2344 email: dirk.enzmann at jura.uni-hamburg.de www: http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html

I hesitate to post this question in the light of recent threads, indeed I have hesitated for several weeks, however I have come to a full stop and really need some help if I am going to progress. I am a new user of R for medical statistics. I have attempted to read all the relevant documents, but would welcome any suggestions as to what I have missed. I am trying to contruct "table 1"