## Statistical Modelling Functions part-3

Hi guys lets begin the third part of statistical modelling functions

**Sigmoid(s-shaped) function****Biexponential model function**

**Sigmoid(s-shaped) function:** The simplest s-shaped function is (more…)

Hi guys lets begin the third part of statistical modelling functions

**Sigmoid(s-shaped) function****Biexponential model function**

**Sigmoid(s-shaped) function:** The simplest s-shaped function is (more…)

Ok, lets start, where I have left out Part 1(please read, in case you didn’t read first), start right there.

**Polynomial functions:** are functions in which x appears several times, each time raised to

a different power. They are useful for describing curves with humps, inflections or local

maxima.

See graphs below.. (more…)

You can do a lot of maths in R. Here we concentrate on the kinds of mathematics that find

most frequent application in scientific work and statistical modelling:

Functions

Continuous distributions

Discrete distributions

Matrix algebra

Calculus

Differential equations (more…)

Principal Coordinate Analysis (PCoA) is a method to represent on a 2 or 3 dimensional chart objects described by a square matrix containing resemblance indices between these objects. This method…