Last year, COVID-19 changed the economy so fast that economists needed a different kind of data to help them understand it. Monthly indicators based on government survey data that take weeks to ...

For a long time, ever since financial institutions adopted technology, there has been a race to become a data warehouse of information. Let's take a look at how this applies in terms of high-frequency ...

A knowledge of basic business statistics can help small business owners make and assess their decisions with greater accuracy. Frequency value is a basic business statistics term used to describe a ...

Plotting the frequency of data falling within numeric ranges illustrates the diversity of your data. As an example, a teacher might wish to calculate and display her students' grades by tabulating the ...

The FREQ procedure provides easy access to statistics for testing for association in a crosstabulation table. In this example, high school students applied for courses in a summer enrichment program: ...

This is a preview. Log in through your library . Abstract Applying tests for jumps to financial data sets can lead to an important number of spurious detections. Bursts of volatility are often ...

In the renewable energies era, grid frequency will be an increasingly important indicator of stability of power supply. An interdisciplinary research consortium has analyzed frequency fluctuations in ...

Electron transport in nanoscale structures is strongly influenced by the Coulomb interaction that gives rise to correlations in the stream of charges and leaves clear fingerprints in the fluctuations ...

Every electronic circuit has some noise and it can affect both analog and digital circuits. Some noise comes from outside interference while some comes from random factors such as thermal effects.