Re: [R] Decision Trees or Markov Models for Cost Effectiveness

2012-06-16 Thread Ricardo Pietrobon
not quite an R package, but one way of taking advantage of R would be to use something like treeplan http://goo.gl/wHsb6 along with RExcel http://goo.gl/ToD77 On Thu, Jun 14, 2012 at 11:34 AM, stefan.d...@gmail.com stefan.d...@gmail.com wrote: Hi Noah, I did ask basically the same question

Re: [R] Decision Trees or Markov Models for Cost Effectiveness

2012-06-14 Thread Ricardo Pietrobon
hi Noah, you might want to look at http://goo.gl/KqXpJ -- haven't played with it, and was actually surprised because whenever i think about decision trees -- which as you know are completely different from CART type of models -- i tend to think of excel add-ons or treeage. interested in learning

Re: [R] Decision Trees or Markov Models for Cost Effectiveness

2012-06-14 Thread stefan.d...@gmail.com
Hi Noah, I did ask basically the same question about a year ago and there wasn't anything around (http://tolstoy.newcastle.edu.au/R/e14/help/11/06/3651.html) Although I agree that R would be very suitable for this kind of calculations exist. I guess one reason is that a decision tree is not

Re: [R] Decision Trees or Markov Models for Cost Effectiveness

2012-06-12 Thread Sarah Goslee
Regardless of what we should or should not expect regular list contributors to know about all possible statistical areas, going to http://www.rseek.organd searching for cost effectiveness returns leads to at least three packages that might do what you want. Sarah One of the team members

[R] Decision Trees or Markov Models for Cost Effectiveness

2012-06-11 Thread Noah Silverman
Hello, I was just assigned to perform a cost effectiveness study in healthcare. We are studying the cost effectiveness of a proposed diagnostic vs. current screening procedures. One of the team members suggest a commercial software package called TreeAge Pro. Looking at the description, it

Re: [R] Decision Trees or Markov Models for Cost Effectiveness

2012-06-11 Thread Bert Gunter
Noah: On Mon, Jun 11, 2012 at 3:28 PM, Noah Silverman noahsilver...@ucla.edu wrote: Hello, I was just assigned to perform a cost effectiveness study in healthcare.  We are studying the cost effectiveness of a proposed diagnostic vs. current screening procedures. -- Please! -- Do you

Re: [R] Decision Trees or Markov Models for Cost Effectiveness

2012-06-11 Thread Noah Silverman
Bert, I AM a statistician. Your lack of familiarity with this particular subset of stats is no reason to insult me or my posting. Cost Effectiveness is a very standard field of study in health care and epidemiology. The methods and models are common and well defined. I did not ask for help