{"url":"/dataset/nelson-plosser","name":"Nelson-Plosser","full_name":"Nelson-Plosser US Macroeconomic Time Series","description_markdown":"US Macroeconomic dataset containing 14 time series of monthly observations. They have various lengths but all end in 1988. The variables: consumer price index, industrial production, nominal GNP, velocity, employment, interest rate, nominal wages, GNP deflator, money stock, real GNP, stock prices (S&P500), GNP per capita, real wages, unemployment.\r\n\r\nThe data is available in cleaned form in the R package 'tseries' [1].\r\nFirst introduction contained data until 1970 [2].\r\n\r\nRerefences:\r\n\r\n1. Trapletti, Adrian, and Kurt Hornik. 2020. tseries: Time Series Analysis and Computational Finance. https://cran.r-project.org/package=tseries.\r\n2. Nelson, Charles R., and Charles I. Plosser. 1982. “Trends and Random Walks in Macroeconmic Time Series.” Journal of Monetary Economics 10 (2): 139–162. doi: 10.1016/0304-3932(82)90012-5.","description_withheld":null,"homepage":"http://korora.econ.yale.edu/phillips/data/np&enp.dat","introduced_date":"1982-01-01","introduced_date_note":null,"introduced_by":null,"license":{"name":"I do not own this data set","url":null},"modalities":[{"name":"Time series","url":"/datasets/modality/time-series"},{"name":"Tables","url":"/datasets/modality/tables"}],"tasks":[],"languages":[{"name":"English","url":"/datasets/language/english"}],"variants":["Nelson-Plosser"],"data_loaders":[{"repo":"https://github.com/hdarjus/092b6ef073fe0c7c9d5f7b11bb0d36a0","url":"https://github.com/cran/tseries/blob/master/man/NelPlo.Rd","frameworks":[]}],"num_papers_in_archive":1,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[],"papers_with_a_benchmark_row":[],"syntology_totals":{"read_at":"2026-09-25T09:33:49+00:00","papers_with_samples":0,"samples_harvested":0,"samples_ran":0,"samples_unverified":0,"pointer_only_for_licence":0,"papers_with_no_sample_that_ran":0,"note":"the per-paper counts above, summed; not a rate"},"papers_note":"The archive never published its papers-using-dataset list; these are papers with a leaderboard row on this dataset's benchmarks."}