Last data update: 2014.03.03
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R: Titanium Test Data
Titanium Test Data
Description
The Titanium data set describes measurements of a certain property of
titanium as a function of temperature.
Usage
data(titanium)
Format
The format is:
Two columns called ‘x’ and ‘y’, the first being the temperature.
Details
These data have become a standard test for data fitting since they are hard
to fit by classical techniques and have a significant amount of noise.
Source
Boor, C. de, and J. R. Rice (1968). Least squares cubic spline
approximation II – Variable knots, CSD TR 21, Comp.Sci., Purdue Univ.
Examples
## Not run:
data(titanium)
plot(titanium)
grid()
## End(Not run)
Results
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