long-tailed distribution

[/lɔːŋ-teɪld dɪstrɪˈbjuːʃən/]
nounpl: long-tailed distributions
distribuição de cauda longa
1. A probability distribution where a large share of occurrences is concentrated in a small number of events (the head), while the remaining occurrences are spread across many events with low individual frequencies (the tail)
The distribution of word frequencies in natural language follows a long-tailed distribution, where common words appear frequently but most words are rare.
A distribuição de frequências de palavras em linguagem natural segue uma distribuição de cauda longa, onde palavras comuns aparecem frequentemente, mas a maioria das palavras é rara.
2. In statistics and data analysis, a distribution characterized by a slowly decreasing probability density function that never reaches zero, allowing for extreme values with non-negligible probability
Internet traffic data typically exhibits a long-tailed distribution, with occasional spikes in traffic volume.
Os dados de tráfego da internet tipicamente exibem uma distribuição de cauda longa, com picos ocasionais no volume de tráfego.
This term is primarily used in academic, scientific, and technology sectors. In Brazil and Portugal, it is commonly referenced in data science, statistics, and economics discussions. The concept gained popularity with Chris Anderson's 2006 book 'The Long Tail,' which discussed e-commerce and digital markets. The term is largely language-neutral in technical contexts, with 'long-tailed distribution' and 'distribuição de cauda longa' used interchangeably in bilingual academic environments.
Synonyms / Sinônimos
heavy-tailed distributionpower-law distributionPareto distributionscale-free distribution
Antonyms / Antônimos
normal distributionbell curveGaussian distributionshort-tailed distribution

Regional Variations

General Brazilian Portuguese
distribuição de cauda longa
Standard academic and technical term used in statistics and data science
Portugal
distribuição de cauda longa
Same term used in European Portuguese academic contexts
Technical/Academic
distribuição com cauda pesada
Alternative used to emphasize the heavy-tailed characteristic

Related Words

tailprobability distributionfrequency distributionPareto principlepower lawheavy tailoutlierskewed distribution

Related Idioms & Phrases

the long tail of the distribution
tail events
extreme value events
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