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What (who) is splines - definition
WIKIMEDIA DISAMBIGUATION PAGE
Spline (device); Splines; Spline (disambiguation)
spline
[spl??n]
¦ noun
1. a rectangular key fitting into grooves in the hub and shaft of a wheel, especially one formed integrally with the shaft which allows movement of the wheel on the shaft.
a corresponding groove in a hub along which the key may slide.
2. a slat.
3. a flexible wood or rubber strip used especially in drawing large curves.
4. Mathematics a continuous curve constructed so as to pass through a given set of points.
¦ verb secure by means of a spline.
?fit with a spline.
Origin
C18 (orig. East Anglian dialect): perh. related to splinter.
Spline
·noun A long, flexble piece of wood sometimes used as a ruler.
II. Spline ·noun A rectangular piece fitting grooves like key seats in a hub and a shaft, so that while the one may slide endwise on the other, both must revolve together; a feather; also, sometimes, a groove to receive such a rectangular piece.
Smoothing spline
METHOD OF SMOOTHING USING A SPLINE FUNCTION
Spline regression; Spline smoothing; Smoothing splines; Regression spline; Regression splines; Spline fitting
Smoothing splines are function estimates, \hat f(x), obtained from a set of noisy observations y_i of the target f(x_i), in order to balance a measure of goodness of fit of \hat f(x_i) to y_i with a derivative based measure of the smoothness of \hat f(x). They provide a means for smoothing noisy x_i, y_i data.
