Spline-knots for plw and lmw
Computes a set of nKnots interior knots( if possible) plus 2 boundary knots so that:
1) the nOut smallest and highest data points (in x) lies below and above the lower and upper boundary knots respectively.
2) there is at least nIn data points between all knots.
Number of interior knots
Number of data points below and above the lower and upper boundary knots respectively.
Number of data points between knots.
See the definition (R-code) for details.
A vector of knots.
plw, lmw, estimateSigmaMVbeta
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