The dataset is used to assess if there is site impairment.
The site impairment is defined as whether the pH values at a site indicate that the site violates a
(lower) standard of 6.0 more than 10% of the time.
Usage
data("PHData")
Arguments
Format
A data frame with 325 observations on the following 3 variables.
Station
the site number, labeled as 1 to 4
Data.Time
indicator of historical data (coded as 0) or current data (coded as 1)