city: city: Chlorine Measurements from Three Cities
In thoree/stat340: Data and functions for BIAS at NMBU

city	R Documentation

city: Chlorine Measurements from Three Cities

Description

This data set consists of independent measurements of chlorine in ppm (parts per million) from three large cities.

Usage

city

Format

A data frame with 20 observations (rows) on 3 variables (columns).

	Column name	Data type	Description	Values
`[,1]`	`City1`	numeric	Chlorine in ppm for City1	(0.11 - 5.13)
`[,2]`	`City2`	numeric	Chlorine in ppm for City2	(0.41 - 13.89)
`[,3]`	`City3`	numeric	Chlorine in ppm for City3	(0.24 - 17.20)

Details

This data is the unstacked version of the data set Pollution. Earlier the cities were approximately equal polluted, but one of the cities has tried to reduce the air pollution.

Examples


# Combining the columns into one single column
# with factor as data type
citydata <- stack(city)

# Renaming the columns of the transformed data frame
colnames(citydata) <- c("y", "city")

thoree/stat340 documentation built on June 30, 2024, 4:04 p.m.