Americans' pride in US history and democracy drops, and fewer are proud to be American, polls find

Americans have grown less proud of their country's history or the way its democracy works over the past decade, according to ...
The Associated Press

Most Americans see freedoms under threat but core to nation’s identity, AP-NORC poll finds

Most Americans believe civil liberties like the right to vote are under threat, according to a new AP-NORC poll, while also continuing to agree that the ...
IEEE

Improving the Accuracy of the Adaptive Cross Approximation With a Convergence Criterion Based on Random Sampling

Abstract: The accuracy of the adaptive cross approximation (ACA) algorithm, a popular method for the compression of low-rank matrix blocks in method of moment computations, is sometimes seriously ...

How to Read Polls: Margins of Error, Samples, and Framing

Learning to read a survey means understanding margins of error, sampling, weighting, and media framing, with an essential ...
IEEE

Cross-Entropy-Based Composite System Reliability Evaluation Using Subset Simulation and Minimum Computational Burden Criterion

Abstract: The cross-entropy (CE) method can accelerate power system reliability evaluation effectively. An importance sampling (IS) based iterative parameter updating algorithm is usually used in CE ...