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fda (version 2.2.7)

plot.basisfd: Plot a Basis Object

Description

Plots all the basis functions.

Usage

## S3 method for class 'basisfd':
plot(x, knots=TRUE, axes=NULL, ...)

Arguments

x
a basis object
knots
logical: If TRUE and x[['type']] == 'bslpine', the knot locations are plotted using vertical dotted, red lines. Ignored otherwise.
axes
Either a logical or a list or NULL.

  • logical
{ whether axes should be drawn on the plot } list{ a list used to create custom axes used to create axes via do.call(x$axes[[1]],

Value

  • none

item

...

code

matplot

Side Effects

a plot of the basis functions

See Also

plot.fd

Examples

Run this code
##
## 1.  b-spline
##
# set up the b-spline basis for the lip data, using 23 basis functions,
#   order 4 (cubic), and equally spaced knots.
#  There will be 23 - 4 = 19 interior knots at 0.05, ..., 0.95
lipbasis <- create.bspline.basis(c(0,1), 23)
# plot the basis functions
plot(lipbasis)

##
## 2.  Fourier basis
##
yearbasis3 <- create.fourier.basis(c(0,365),
                    axes=list("axesIntervals") )
#  plot the basis
plot(yearbasis3)

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