BrownianPath.BrownianInsertor: Generate a Brownian path
Description
Generate a Brownian path.
This method generates a Brownian path given the scale parameter a (determining "noisiness")
and the vector p describing the trends. More useful as a static method.
Usage
# S3 method for BrownianInsertor
BrownianPath(this, p=NA, a=NA, ...)