marcovivero

### Regression Example

f = function(x) {
  0.1 * cos(x)^2 + 0.25 * sin(x)^(3)
}


regressionData = data.frame(rnorm(5000), sd = 5)
regressionData[,2] = f(regressionData[,1]) + rnorm(5000, sd = 0.1)
names(regressionData) = c("x", "y")