Discover how to determine the ideal percentage of a population for a representative sample to ensure accurate data analysis with minimal sampling error.

Mosaic theory is an analysis method used in finance to gather diverse information about companies. Discover its components and how it can guide investment decisions.

VWOB's price stability is supported by historically low EM credit spreads and positive commodity momentum benefiting emerging market economies. The fund's moderate-to-high risk profile stems from its ...

Abstract: This study investigates the imaging ability of the time-domain linear sampling method (TLSM) when applied to laser ultrasonic (LU) tomography of subsurface defects from limited-aperture ...

Sampling (or sample) bias is a widespread concern in scientific research, across several disciplines. The concept of sampling bias originated in statistical studies. The consequence of a biased sample ...

Abstract: The traction inverters need to operate in asynchronous and square wave modulation, with synchronous modulation suitable for transitioning between them. This article aims to present novel ...