Rupesh Lochan


  • Across all industries, there is one area of Six Sigma that can mean the difference between success and failure of deployment: project selection. Whether the method is used in manufacturing or service […]

  • Very good inputs. Thanks Robert.
    I was doing the same by coding the attribute variables as 1,2,3,.. etc. I have 2 questions:
    1. What is different when the attribute variable data is ordinal? I will just like to code the levels of x as 1,2 3,4,5
    2. Can’t I get the “Best Subset” out of all the variables ( continous + attribute ), which will take…[Read more]

  • Let me make myself more clear about the issue.
    I have my Y continuous. I have Xs which have been found signifcant through different hypothesis testing techniquess. There are such 6 Xs in total. Three are continuous and rest three are discrete.
    I am looking for an equation involving all 6 Xs for predicting my Y. Simple linear regression is…[Read more]