sum.fd {fda}

Sum of Functional Data

Description

Evaluate the sum of a set of functions in a functional data object.

Usage

## S3 method for class 'fd'
sum(..., na.rm)

Arguments

...

a functional data object to sum.

na.rm

Not used.

Value

a functional data object with a single replication that contains the sum of the functions in the object fd.

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.

See Also

mean.fd, std.fd, stddev.fd, center.fd