Air pollution data (Truncated)

Description

Dataset PM10, truncated from the left at variable value PM10 = 2 (8 percent truncation).

Usage

data(PM10trunc)

Format

A data frame with 460 observations on the following 8 variables.

PM10

Hourly values of the logarithm of the concentration of PM10 (particles). Left-truncated at point 2.

cars

The logarithm of the number of cars per hour

temp

Temperature 2 meters above ground (degree C)

wind.speed

Wind speed (meters/second)

temp.diff

The temperature difference between 25 and 2 meters above ground (degree C)

wind.dir

Wind direction (degrees between 0 and 360)

hour

Hour of day

day

Day number from October 1. 2001

Examples

data(PM10trunc)

Results