2. multivariate scatterplots can quickly become difficult to interpret correlation "how closely related the values of x and y are" - measured by a number between -1 and 1 language to avoid when when implying correlation avoid language implying causality ...
For example, recurrence plots with optimal time delay have been used in [11] for quantitative analysis of fault diagnostic. The recurrence plot-based damage method was also introduced in [12]. Although deep learning has been used in bearing fault diagnosis, a comprehensive review of the ...