Re: [R] R and LINGO?

2017-11-10 Thread Jeff Newmiller
an interface for R... the use of LINGO is definitely off topic here... we expect to be able to run your code examples using R and CRAN resources to be relevant to all R users. -- Sent from my phone. Please excuse my brevity. On November 10, 2017 8:04:10 AM PST, "Jan Olsen Røyland"

Re: [R] R and LINGO?

2017-11-10 Thread Marc Schwartz
Hi, A few comments: 1. You appear to be replying to a post on the R-Help list from 2010: https://stat.ethz.ch/pipermail/r-help/2010-June/242714.html 2. Nothing that you have below appears to be directly related to R, but to LINGO: http://www.lindo.com/index.php/products/lingo

Re: [R] R and LINGO?

2017-11-10 Thread Jan Olsen Røyland
Hei Im struggling with this problem: b) Another company wants to compose the optimal project portfolio based on the following 5- year project proposals. In the table, the cash flow for each project in each year is shown. Project 1 Project 2 Project 3 Project 4 Project 5 Project 6 1st year of the

Re: [R] R and LINGO?

2010-06-17 Thread Martin Maechler
b == brwin338 brwin...@aol.com on Wed, 16 Jun 2010 19:55:17 -0400 writes: b Good Evening b Does anyone in the R-help list have experience writing an R wrapper that interfaces with the commercial packages LINGO and/or LINDO.api from R? b I have a set of nonlinear/mixed integer

[R] R and LINGO?

2010-06-16 Thread brwin338
Good Evening Does anyone in the R-help list have experience writing an R wrapper that interfaces with the commercial packages LINGO and/or LINDO.api from R? I have a set of nonlinear/mixed integer problems that solve nicely with LINGO but I would like to use R to set the problems up and