first.loc: Find the first sampling location in a clustered sample

In apear9/SSNdesign: An R Package for Optimal and Adaptive Sampling Designs on Stream Networks

Description

For a sampling design that includes clusters of sampled locations, this function provides the first sample in the cluster.

Usage

first.loc(ssn.DF.now, start.point.method)

Arguments

ssn.DF.now	an object of class data.frame which is a single reach's subset of the point.data slot fomr a SpatialStreamNetwork
start.point.method	a character vector indicating which method to apply in selecting the the location, with choices of random, prop.to.end, and prop.to.start

Value

a numeric scalar which is the selected pid column from the point.data data frame

apear9/SSNdesign documentation built on Feb. 19, 2020, 4:29 a.m.