Model n˚

Model type

Correlation equation

Set 1

Set 2

1

Linear

$y=ax+b$ (1.1)

$y=a^{\prime }{x}^{\prime }+b^{\prime }$ (1.2)

2

Logarithmic

$y=a\ln x+b$ (2.1)

$y=a^{\prime }\ln x^{\prime }+b^{\prime }$ (2.2)

3

Exponential

$y=b{\text{e}}^{ax}$ (3.1)

$y=b^{\prime }{\text{e}}^{a^{\prime }{x}^{\prime }}$ (3.2)

4

Power

$y=b{\left(x\right)}^a$ (4.1)

$y=b^{\prime }{\left(x^{\prime }\right)}^{a^{\prime }}$ (4.2)

5

Quadratic

$y=a+bx+c{x}^2$ (5.1)

$y=a^{\prime }+b^{\prime }{x}^{\prime }+c^{\prime }{x^{\prime }}^2$ (5.2)