| Library: | plot |
| See also: | fdamean plotfd grfd evalfd setmaskl data2fd |
| Quantlet: | plotfdacov | |
| Description: | plots the cov surface of fdobject |
| Usage: | plotfdacov(evalarg,fdobject) | |
| Input: | ||
| fdobject | list, functional (fd) object with n replications | |
| evalarg | m x 1 matrix for evaluation | |
| col | scalar, color | |
| plot3Ds | String, if string is = "3D" plot3D quantlet will be used | |
library("plot")
library("fda")
y = read("dailtemp.dat")
tvec=#(1:365)/365
fdb = createfdbasis("fourier", #(0,1),31,1)
fdtempf31=data2fd(y,tvec,fdb)
plotfdacov(fdtempf31,grid(0,1/30,29),0,"3D")
The cov surface for temperature dataset is plotted, using 31 Fourier functions and plot3d ploting quantlet