ozone: Ozone concentration, downtown L.A., 1955.1-1972.12

Description Usage Format Source

Description

Ozone concentration, downtown L.A., 1955.1-1972.12 in parts per hundred million

Usage

1

Format

A ts object containing monthly data for 1955.1-1972.12.

Source

Intervention Analysis with Applications to Economic and Environmental Problems, G. E. P. Box and G. C. Tiao, Journal of the American Statistical Association, Vol. 70, No. 349 (Mar., 1975), pp. 70-79.


pear documentation built on May 29, 2017, 11:40 p.m.