d.pollZH16: pollution data, 1 year of hourly measurements
In regr0: Building regression models

Description Usage Format Source Examples

pollZH16.csv contains hourly air pollution measurements from a station in the city center of Zurich, in a courtyard, for the year 2016. pollZH16d.csv is the subset of measurements for hour=15 .

1 2	data("d.pollZH16") data("d.pollZH16d")

A data frame with 8784 observations (366 for d.pollZH16d) on the following 13 variables.

date: Date
hour: hour of the day, 0-23 scale
O3: O3 concentration
NO2: NO2 concentration
temp: temperature, Celsius scale
rad: radiation
prec: precipitation
dateshort: character: Short identification of the day: A-L encodes the month; 1-9, a-x encodes the day of the month. For d.pollZH16d, these are used as row.names
weekday: ... as factor, levels Mon to Sun
month: ... as factor, levels Jan to Dec
sumhalf: logical: TRUE from Apr to Sep
sunday: logical: TRUE for Sundays
daytype: factor with levels work, for workdays, Sat and Sun