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The average directional movement index (ADX) was developed in 1978 by J. Welles Wilder as an indicator of trend strength in a series of prices of a financial instrument. [1] ADX has become a widely used indicator for technical analysts, and is provided as a standard in collections of indicators offered by various trading platforms.
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John Welles Wilder was born June 11, 1935, in Norris, Tennessee.The oldest of four children to John Welles "Jack" Wilder, Sr., and Frances Green Wilder, his brother was former NFL defensive tackle and defensive end Albert Green "Bert" Wilder (April 14, 1939 – December 5, 2012).
Note that the distribution's mode will lie with p N-2 's weight, i.e. in the graph above p 8 carries the highest weighting. An N of 1 is invalid. The easiest way to calculate the triple EMA based on successive values is just to apply the EMA three times, creating single-, then double-, then triple-smoothed series. The triple EMA can also be expressed directly in terms of the prices as below ...
Mean directional accuracy (MDA), also known as mean direction accuracy, is a measure of prediction accuracy of a forecasting method in statistics. It compares the forecast direction (upward or downward) to the actual realized direction.
Average true range (ATR) is a technical analysis volatility indicator originally developed by J. Welles Wilder, Jr. for commodities. [1] [2] The indicator does not provide an indication of price trend, simply the degree of price volatility. [3]
Keltner channel example. Keltner channel is a technical analysis indicator showing a central moving average line plus channel lines at a distance above and below. The indicator is named after Chester W. Keltner (1909–1998) who described it in his 1960 book How To Make Money in Commodities.
Pharotaxis is the movement to a specific location in response to learned or conditioned stimuli, or navigation by means of landmarks. [20] [21] Phonotaxis is the movement of an organism in response to sound. Phototaxis is the movement of an organism in response to light: that is, the response to variation in light intensity and direction.