Between February and April, 10 percent of Americans ages 25 to 54 lost their jobs. The employed percentage of the population dropped to its lowest level since 1975, according to Labor Department data.

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Abstract: Permutation entropy (PE) is a widely used metric for quantifying the complexity of time series data. Recent efforts have extended PE to graph signals, resulting in the graph permutation ...

Here below you have a complete description of its most interesting features and benefits so you can make the most of it. The majority of other information websites display prices of a single source, ...

Abstract: Selective fixed-filter active noise control (SFANC) has emerged as a prominent and practical solution for noise suppression due to its fast response, high computational efficiency, and ...