English: Representative sample for parallel coordinates. Source code : here / Copy
With x at the second position.
x ⇔ random : lines crossing all around forming a messy net = no specific relationship.
x ⇔ -x : lines crossings around a given point = negative relationship.
x ⇔ x^ (x²): lines somewhat parallel with increasing gaps = positive relationship (correlation), with exponential property
x ⇔ ax (2x): lines mostly parallel with exactly similar gaps = positive relationship (correlation), with exactly linear property
x ⇔ x+b : lines mostly parallel with exactly similar gaps and different values in axis = positive relationship (correlation), with exactly linear property, plus translation
x ⇔ 1/x : lines somewhat converging with decreasing gaps = negative relationship (invert), with exponential property
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