spain: Spain data

In frontiles: Partial Frontier Efficiency Analysis

Description

Spain data

Usage

data(spain)

Format

A data frame with 61 observations on the following 4 variables.

y

a numeric vector of output

x1

a numeric vector of input

x2

a numeric vector of input

x3

a numeric vector of input

Examples

data(spain)

Example output

Loading required package: classInt
Loading required package: colorspace
Loading required package: rgl
Loading required package: sp
Warning messages:
1: In rgl.init(initValue, onlyNULL) : RGL: unable to open X11 display
2: 'rgl_init' failed, running with rgl.useNULL = TRUE 
3: .onUnload failed in unloadNamespace() for 'rgl', details:
  call: fun(...)
  error: object 'rgl_quit' not found 

frontiles documentation built on May 1, 2019, 8:45 p.m.