January 2013
Beginner
1212 pages
36h 34m
English
Content preview from Trading Systems and Methods, + Website, 5th Edition
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CHAPTER 6
Regression Analysis
Regression analysis is a way of measuring the relationship between two or more sets of data. A stock analyst might want to know the relationship between the price of gold per ounce and the share price of Barrick Gold Corporation (ABX). An economist might want to know how the more complex relationship between interest rates, inflation, and the trade balance changes the value of the U.S. dollar. A hedger or arbitrageur could use the relationship to establish the relative fair value of two related products, such as palm oil and soybean oil, in order to select the cheaper product or to profit from price distortions. An investor might simply want to find the strongest stock in the banking sector. Or, you may simply want to find the best straight line fit through a series of prices. Regression analysis involves statistical measurements to determine the type of relationship that exists between the data studied. Many of the concepts are important in technical analysis and should be understood by all technicians, even if they are not used frequently. The techniques may also be used to trade, as is shown at the end of this chapter.
COMPONENTS OF A TIME SERIES
Regression analysis is a tool often applied to identify the main component of a time series, the trend. With some variation, it can also be used to isolate the seasonal (or secular trend) and cyclic components. These three factors are present in all price data. The part of the data that cannot be explained ...
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