Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by graffy76

  1. graffy76

    Develop a cost index

    I am using a cluster analysis methodology to compare all payitems which share similar quantities and unit prices are grouped together irrespective of location or date in which the bid took place. That said, the method provides perhaps a rudimentary way of differentiating between cost...
  2. graffy76

    Develop a cost index

    Hello, I'm trying to develop a cost index for the purposes of estimating costs for construction projects. The data is run through a KMeans cluster analyzer I wrote in C++ / MS-Access. The data I have has four essential components - the unit price of every contractor bid on every project...

Part and Inventory Search