1. M

    Constraint Optimization- Value not in the interior of the feasible region

    I'm trying to replicate the Excel Solver in R- which is basically a constraint optimization problem I'm trying to minimize the cost per action which is total spend/ total actions which equals to the below function with a few constraints. CPA function: '(a+b+c+d)/((consta+(Baln(a)))+...
  2. M

    Statistical methods to determine the proportion to min. value of depandant variable

    I am new to this forum, but heard alot about it from my classmates. I am basically doing an internship in a company. The company is using various channels for recruitment where it is incurring some cost and also facing varying degrees of attrition. I have last three years, month-wise data with...