Even Clean Air Cities Carry a Hidden Stroke Risk, Six-Year Study Warns
A six-year time-series study in Guiyang, a low-pollution karst city in Southwest China, finds that short-term exposure to six major ...
Tag: time series
Adaptive Hybrid Models Reshape Exchange Rate Return Forecasting
A new adaptive hybrid forecasting framework that dynamically reweights ARIMA, SETAR, and neural network components, augmented with a GARCH volatility ...
Time-series foundation models fall short of specialized models in digital twin predictive maintenance benchmark
A controlled benchmark of MOMENT, UniTS, and FFTS on the C-MAPSS turbofan dataset shows time-series foundation models generalize across imputation, ...
Deep Learning’s Anomaly Detection Supremacy May Be an Illusion, Study Finds
A reproducibility study of 18 influential papers finds that data leakage, silently modified datasets, and underspecified baselines have inflated claims ...
A Classic Statistics Test Gets a Streaming Makeover to Catch Anomalies in Real Time
Researchers in Seoul have rebuilt the classic extreme studentized deviate test into an online, self-tuning algorithm that detects anomalies in ...
New Software Kills the Burn-In Problem in Multivariate Time Series Simulation
A new open-source package called Varmapack simulates VARMA time series exactly from the first observation, eliminating burn-in while running hundreds ...
New Standardization Method Catches Every Kind of Error in Weather Sensor Data
South African statisticians have developed a double-standardization procedure using robust statistics that simultaneously detects spikes, level shifts, and irregular diurnal ...
Negative Spectral Estimates Are the Secret to Unbiased Turbulence Spectra
A new study shows that allowing power spectral density estimates to go negative is essential for unbiased spectral analysis of ...
New AI Network Tackles Missing Data in Spatio-Temporal Forecasting
Researchers in Hangzhou have developed MGCRN, a graph-based recurrent neural network that maintains high forecasting accuracy on spatio-temporal data even ...
Arrow Worms Hold Steady Through El Niño Swings in Mexican Pacific
A six-year monthly time series in Bahía de Navidad reveals that chaetognath communities respond primarily to seasonal upwelling cycles, with ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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