**Scope** This dataset aggregates prediction market data from two major exchanges — Polymarket and Kalshi. It covers a wide range of real-world event categories including crypto price movements, spor
This article introduces a nonparametric approach to spectral analysis of a high-dimensional multivariate nonstationary time series. The procedure is based on a novel frequency-domain factor model that
Each data point represents a 0.5s time interval (xi) in which the quail could either been ambulating (xi=1) or immobile (xi=0), over a 6.5 day period .The total number of data points is approximately
nno2_timeseries.mat is the weekly time series of normalized mean of NO2 column measurements over the 13 chemical regions. The spanning time is from January 2006 to December 2015.
