Whois & Analysis for open-statistics.com

A heat map (or heatmap) is a graphical representation of data where the individual values contained in a matrix are represented as colors.

The term 'heat map' was originally coined and trademarked by software designer Cormac Kinney in 1991, to describe a 2D display depicting financial market information, though similar plots such as shading matrices have existed for over a century.

A guitar amplifier (or guitar amp) is an electronic amplifier that strengthens the weak electrical signal from a pickup on an electric guitar, bass guitar, or acoustic guitar so that it can produce sound through one or more loudspeakers, which are typically housed in a wooden cabinet.

A guitar amplifier may be a standalone wood or metal cabinet that contains only the power amplifier (and preamplifier) circuits, requiring the use of a separate speaker cabinet–or it may be a "combo" amplifier, which contains both the amplifier and one or more speakers in a wooden cabinet.

There is a wide range of sizes and power ratings for guitar amplifiers, from small, lightweight "practice amplifiers" with a single 8" speaker to heavy combo amps with four 10" speakers and a powerful amplifier, which are loud enough to use in a nightclub or bar performance.

Web analytics is the measurement, collection, analysis and reporting of web data for purposes of understanding and optimizing web usage.

However, Web analytics is not just a process for measuring web traffic but can be used as a tool for business and market research, and to assess and improve the effectiveness of a website.

Web analytics applications can also help companies measure the results of traditional print or broadcast advertising campaigns.

It helps one to estimate how traffic to a website changes after the launch of a new advertising campaign.

Web analytics provides information about the number of visitors to a website and the number of page views.

It helps gauge traffic and popularity trends which is useful for market research.

Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop.

The system can then be said to feed back into itself.

The notion of cause-and-effect has to be handled carefully when applied to feedback systems: