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.
Some Core i5 processors are dual-core and some are quad-core. Most of the time, a true quad-core CPU will perform better than a dual-core processor, especially on multimedia tasks like video transcoding or photo editing.All Core i3 processor are dual core.ome Core i5 processors are dual-core and some are quad-core. Most of the time, a true quad-core CPU will perform better than a dual-core processor, especially on multimedia tasks like video transcoding or photo editing.