You can preview and download the dataset from this tab. The dataset is available in multiple file formats, compatible with most common software packages. You can also view and download the Codebook, which provides information on the structure, contents, and layout of the dataset.
This dataset is designed for teaching the autocorrelation function (ACF) and the partial autocorrelation function (PACF) for a time series. The dataset is a subset of data derived from the Environmental Protection Agency’s (EPA’s) Air Quality System Data Mart, and the example examines the time series of daily air quality in the New York county in the United States in the year 2017. The dataset file is accompanied by a teaching guide, a student guide, and a how-to guide for SPSS.