[PDF] Rothschild & Co Risk-Based US Index

What is a weighted close indicator?

• The Weighted Close indicator is simply an average of each day's price. It gets its name from the fact that extra weight is given to the closing price. The Median Price and Typical Price are similar indicators. When plotting and back-testing moving averages, indicators, trendlines, etc, some investors like the simplicity that a line chart offers.

What is weighted index number?

• In general, all the commodities cannot be given equal importance, so we can assign weights to each commodity according to their importance and the index number computed from these weights are called as weighted index number. The weights can be production, consumption values.

What is weighted aggregative index?

• The weighted aggregative index is typically expressed as a percentage. Hence, we employ a variety of formulas to achieve the same result. In this method, the price of each commodity is weighted by the quantity of sale either in the base year or in the current year.

What is the difference between the C-statistic and the weighted C-index?

• The C-statistic isn’t used very often as it only gives you a general idea about a model; A ROC curve contains much more information about accuracy, sensitivity and specificity. A weighted c-index is used when the cost of failing to predict a positive outcome (like a test for cancer) is higher than benefit of correctly predicting a negative outcome.