# Diesel: Diesel fuel prices in 1999-2000 in nine regions of the... In BSDA: Basic Statistics and Data Analysis

## Description

Data for Exercise 2.8

## Usage

 `1` ```Diesel ```

## Format

A data frame/tibble with 650 observations on three variables

date

date when price was recorded

pricepergallon

price per gallon (in dollars)

location

a factor with levels `California`, `CentralAtlantic`, `Coast`, `EastCoast`, `Gulf`, `LowerAtlantic`, `NatAvg`, `NorthEast`, `Rocky`, and `WesternMountain`

## Source

Energy Information Administration, National Enerfy Information Center: 1000 Independence Ave., SW, Washington, D.C., 20585.

## References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

## Examples

 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18``` ```par(las = 2) boxplot(pricepergallon ~ location, data = Diesel) boxplot(pricepergallon ~ location, data = droplevels(Diesel[Diesel\$location == "EastCoast" | Diesel\$location == "Gulf" | Diesel\$location == "NatAvg" | Diesel\$location == "Rocky" | Diesel\$location == "California", ]), col = "pink", main = "Exercise 2.8") par(las = 1) ## Not run: library(ggplot2) ggplot2::ggplot(data = Diesel, aes(x = date, y = pricepergallon, color = location)) + geom_point() + geom_smooth(se = FALSE) + theme_bw() + labs(y = "Price per Gallon (in dollars)") ## End(Not run) ```

BSDA documentation built on July 30, 2017, 5:01 p.m.