A financial “security” is nothing more than a claim on some stream of cash flows that investors expect to be delivered into ...

Abstract: Abnormal working conditions often occur in modern industrial processes. Subsequently, if maintenance is not carried out in a timely manner, such abnormal working conditions can cause changes ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...

In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

Abstract: Even if measuring the outcome of binary classifications is a pivotal task in machine learning and statistics, no consensus has been reached yet about which statistical rate to employ to this ...

The ggcorrplot package can be used to visualize easily a correlation matrix using ggplot2. It provides a solution for reordering the correlation matrix and displays the significance level on the ...