Add Lines from Functional Data to a Plot
Lines defined by functional observations are added to an existing plot.
## S3 method for class 'fd' lines(x, Lfdobj=int2Lfd(0), nx=201, ...) ## S3 method for class 'fdSmooth' lines(x, Lfdobj=int2Lfd(0), nx=201, ...)
x |
a univariate functional data object to be evaluated at |
Lfdobj |
either a nonnegative integer or a linear differential operator object. If present, the derivative or the value of applying the operator is evaluated rather than the functions themselves. |
nx |
Number of points within |
... |
additional arguments such as axis titles and so forth that can be
used in plotting programs called by |
Lines added to an existing plot.
## ## plot a fit with 3 levels of smoothing ## x <- seq(-1,1,0.02) y <- x + 3*exp(-6*x^2) + sin(1:101)/2 # sin not rnorm to make it easier to compare # results across platforms result4.0 <- smooth.basisPar(argvals=x, y=y, lambda=1) result4.m4 <- smooth.basisPar(argvals=x, y=y, lambda=1e-4) plot(x, y) lines(result4.0$fd) lines(result4.m4$fd, col='blue') lines.fdSmooth(result4.0, col='red') plot(x, y, xlim=c(0.5, 1)) lines.fdSmooth(result4.0) lines.fdSmooth(result4.m4, col='blue') # no visible difference from the default?
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