delivery {robustbase} | R Documentation

## Delivery Time Data

### Description

Delivery Time Data, from Montgomery and Peck (1982). The aim is to explain the time required to service a vending machine (Y) by means of the number of products stocked (X1) and the distance walked by the route driver (X2).

### Usage

    data(delivery, package="robustbase")

### Format

A data frame with 25 observations on the following 3 variables.

`n.prod`

  Number of Products

`distance`

  Distance

`delTime`

  Delivery time

### Source

Montgomery and Peck (1982, p.116)

### References

P. J. Rousseeuw and A. M. Leroy (1987) Robust Regression and Outlier Detection; Wiley, page 155, table 23.

### Examples

    data(delivery)
    summary(lm.deli <- lm(delTime ~ ., data = delivery))

    delivery.x <- as.matrix(delivery[, 1:2])
    c_deli <- covMcd(delivery.x)
    c_deli

[Package robustbase version 0.93-4 Index]