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The eBay marketplace has over $50B in Gross Merchandize Volume, connecting millions of buyers and sellers, from occasional seller of second…

Excel® is the most widely-used spreadsheet tool. The nontechnical persons like to use it for computation and analysis. But they usually find the formulas and functions available in Excel® are rather poor and the VBA® is just double Dutch to them for further analysis. Thus, a huge volume of data with valuable information has been wasted in vain.

Hereby introduce a better solution to realize the utmost value of Excel® by taking the esProc advantages of powerful computation ability,…

J.D. Opdyke and Alex Cavallo

In operational risk measurement, the estimation of severity distribution parameters is the main driver of capital estimates, yet this remains a non-trivial challenge for many reasons.  Maximum likelihood estimation (MLE) does not adequately meet this challenge because of its well-documented non-robustness to modest violations of idealized textbook model assumptions, specifically that the data are independent and identically distributed (i.i.d.), which is…