View source: R/mlbench-regression.R
mlbench.friedman1 | R Documentation |
The regression problem Friedman 1 as described in Friedman (1991) and
Breiman (1996). Inputs are 10 independent variables uniformly
distributed on the interval [0,1]
, only 5 out of these 10 are actually
used. Outputs are created according to
the formula
y = 10 \sin(\pi x1 x2) + 20 (x3 - 0.5)^2 + 10 x4 + 5 x5 + e
where e is N(0,sd).
mlbench.friedman1(n, sd=1)
n |
number of patterns to create |
sd |
Standard deviation of noise |
Returns a list with components
x |
input values (independent variables) |
y |
output values (dependent variable) |
Breiman, Leo (1996) Bagging predictors. Machine Learning 24, pages 123-140.
Friedman, Jerome H. (1991) Multivariate adaptive regression splines. The Annals of Statistics 19 (1), pages 1-67.
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