Optimize: Simple optimization between discrete index locations

In OpasnetUtils: Opasnet Modelling Environment Utility Functions

Description

Finds the minimal value of an ovariable along given indices. Returns sought rows and drops the rest.

Usage

Optimize(...)
Minimize(data, indices)

Arguments

...	arguments passed to Minimize
data	ovariable or data.frame of suitable format (must contain a "Result" column)
indices	character vector of index names meant to be retained (tapply INDEX)

Details

Uses tapply and which.min.

Value

Returns a data.frame which is a subset of the original data.frame or ovariable@output.

Author(s)

T. Rintala [e-mail]

Examples

a <- Ovariable(output = data.frame(A = letters[c(1,1,2,2)], B = c(1,2,1,2), Result = 1:4))
Minimize(a, "B")
Minimize(a, "A")

OpasnetUtils documentation built on May 2, 2019, 12:39 p.m.