A probability density function (PDF), or density of a continuous random variable, is a function whose value at any given sample (or point) in the sample space can be interpreted as providing a relative likelihood that the value of the random variable would equal that sample.

# What is a «probability density function» («PDF»)?

**dmitry_fedyuk**(Dmitry Fedyuk) #1

What is the difference between the «likelihood function» and «probability density function» terms?