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Extract degree of polynomial or knots for restricted cubic spline from the predictor name
degreesOrKnots.fnc(name)
Returns an integer for degrees or knots
name of predictor, e.g. poly(X, 2, raw = TRUE)
poly(X, 2, raw = TRUE)
R. H. Baayen
attempts to find degrees or knots if present in input name
See Also as plotLMER.fnc
plotLMER.fnc