wtcheck function

Check a vector of weights

Throws an error if wtvec is not n positive numbers, and return wtvec (stripped of any dim atrribute)

wtcheck(n, wtvec)

Arguments

• n: the required length of wtvec
• wtvec: an object to be checked

Returns

a vector of n positive numbers

References

Ramsay, James O., Hooker, Giles, and Graves, Spencer (2009), Functional data analysis with R and Matlab, Springer, New York.

Ramsay, James O., and Silverman, Bernard W. (2005), Functional Data Analysis, 2nd ed., Springer, New York.

Ramsay, James O., and Silverman, Bernard W. (2002), Applied Functional Data Analysis, Springer, New York.

Examples

wtcheck(3, 1:3)
wtcheck(2, matrix(1:2, 2))