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Entertainment and Toys | From Ancient Times to Today
Throughout history, toys and entertainment have played a vital role in human cognitive, social, and physical development. Toys have not only been tools for amusement but also instruments for education, creativity, and life skills enhancement. Over time, toys have evolved from simple natural objects to today’s advanced digital technologies. This article explores the transformation of […]
Anomaly detection | Sort and Rank techniques
In most cases, there are complex and specific algorithms for abnormal or anomaly detection that have been implemented through various software in statistical or data analysis. However, in this article from the Arman Computer magazine, we aim to discuss the application of sorting and identifying abnormal observations, which, in addition to being simple, is also […]
correlation coefficient | Inner product of vectors
The correlation coefficient or more precisely, the Pearson correlation coefficient, is a bivariate statistical descriptive statistics that examines the linear dependency between two vectors of observations. Given the range [1,-1] that the value of the Pearson correlation coefficient can have, it is very close to the value of trigonometric functions, especially the cosine function. Therefore, […]