1. The Pearson Correlation By far the most common correlation is the Pearson correlation (or the Pearson productâmoment correlation) which measures the degree of straight-line relationship. D e f i n i t i o n The Pearson correlation measures the degree and the direction of the linearrelationship between two variables.
A core is usually the basic computation unit of the CPU-it can run a single program context (or multiple ones if it supports HW threads such as hyperthreading on intel CPUs), maintaining the correct program state, registers, and correct execution order, and performing the operations through ALUs.
Core i5 is a Dual Core processor line. It is Intel's mid-range processor series. It has many of the same features as the i7s including: Hyper Threading, Enhanced Intel Speed Step, and Turbo Boost. In addition to these features many Core i5s also include an integrated graphics processor on the die.