# Statistics Articles

Tuesday, June 18, 2013

### Correlation

In probability theory and statistics, correlation, also called correlation coefficient, indicates the strength and direction of a linear relationship between two random variables. In general statistical usage, ...  > full story

### Probability theory

Probability theory is the mathematical study of phenomena characterized by randomness or uncertainty. More precisely, probability is used for modelling situations when the result of an experiment, realized ...  > full story

### Statistics

Statistics is a mathematical science pertaining to the collection, analysis, interpretation or explanation, and presentation of data. It is applicable to a wide variety of academic disciplines, ...  > full story

### Data mining

Data mining, also known as knowledge-discovery in databases (KDD), is the practice of automatically searching large stores of data for patterns. To do this, data mining uses computational techniques ...  > full story

## Browse Reference Articles

1 to 10 of 122 articles

• ### Probability distribution

In mathematics and statistics, a probability distribution, more properly called a probability density, assigns to every interval of the real numbers a probability, so that the probability axioms are ... > more
• ### Uniform distribution (continuous)

In mathematics, the continuous uniform distributions are probability distributions such that all intervals of the same length are equally probable. When working with probability, it is often useful ... > more
• ### Random variable

A random variable is a mathematical function that maps outcomes of random experiments to numbers. It can be thought of as the numeric result of operating a non-deterministic mechanism or performing a ... > more
• ### Mathematical model

A mathematical model is an abstract model that uses mathematical language to describe the behaviour of a system. Mathematical models are used particularly in the natural sciences and engineering ... > more
• ### Hypothesis

A hypothesis is a proposed explanation for a phenomenon. A scientific hypothesis must be testable and based on previous observations or extensions of scientific ... > more
• ### Application software

Application software is a subclass of computer software that employs the capabilities of a computer directly and thoroughly to a task that the user wishes to perform. This should be contrasted with ... > more
• ### Geometry

Geometry arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre-modern mathematics, the other being the study of numbers. In modern times, ... > more
• ### Quantum entanglement

Quantum entanglement is a quantum mechanical phenomenon in which the quantum states of two or more objects have to be described with reference to each other, even though the individual objects may be ... > more
• ### Scientific visualization

Scientific and Information visualization are branches of computer graphics and user interface design that are concerned with presenting data to users, by means of images. The goal of this area is ... > more
• ### Calculus

Calculus is a central branch of mathematics. Calculus is built on two major complementary ideas, both of which rely critically on the concept of limits. The first is differential calculus, which is ... > more

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### The Next No-Hitter: May?

A mathematician has developed an estimate for how many no-hitters there will be in major league baseball this year, based on a simple statistical. ...  > full story

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