Local polynomial regression is a useful non-parametric regression tool to explore fine data structures and has been widely used in practice. We propose a new non-parametric regression technique called ...

Successful investing requires the ability to distinguish long-term trends from the short-term noise that moves stock prices on a minute-to-minute basis. One way to tune out the random oscillations and ...

This is a preview. Log in through your library . Abstract For decades, difference scores have been widely used in studies of congruence in organizational research. Although methodological problems ...