HKdata {VGAMextra}

Air pollution and hospital admissions due to respiratory and cardiovascular causes, Hong Kong.

Description

Daily air pollution levels and hospital admissions due to respiratory and cardiovascular causes, between 1 January 1994 and 31 December 1997, Hong Kong.

Usage

data(HKdata)

Format

This is a subset of the data analyzed in Xia and Tong (2006) which stores the following time series:

no

Time vector,

cardio, resp

Integer. Daily hospital admissions due to respiratory and cardiovascular causes, 1 January 1994 and 31 December 1997.

no2, so2, rsp, o3

Numeric. Daily mean average of \textrm{NO}_{2}, \textrm{SO}_{2}, respirable suspended particles (rsp; that is \textrm{PM}_{10}), and \textrm{O}_{3}, in parts per billion (ppb).

temp, hum

Numeric. Daily mean average of temperature (Celsius deg.) and humidity (%)

mon, tue, wed, thur, fri, sat

Factors with two levels. Weekdays/weekends indicator variables.

Source

Data set retrieved from https://blog.nus.edu.sg/homepage/research/

References

Xia, Y. and Tong, H. (2006) Cumulative effects of air pollution on public health. Statistics in Medicine. 25(29), 3548-3559.

Examples

data(HKdata)
summary(HKdata[, -1])