Olho-de-touro

English translation: bull’s-eye

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Portuguese term or phrase:Olho-de-touro
English translation:bull’s-eye
Entered by: Mario Freitas

00:38 Sep 3, 2015
Portuguese to English translations [PRO]
Tech/Engineering - Mathematics & Statistics / Specific terms
Portuguese term or phrase: Olho-de-touro
Este método de interpolação é considerado flexível e robusto e procura expressar as tendências direcionais que os dados sugerem, evitando, assim, o efeito de “olho-de-touro”, resultado de interpoladores como o IDP (inverso da distância elevado a uma potência).
Bianca August
Brazil
"bull’s-eye effect"
Explanation:
This commonly arises in interpolation by inverse distance weighting (IDW).

Sudden changes in value tend to give rise to circular regions in data plots which then look somewhat like a dartboard (with a bull's eye in the centre).

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Note added at 1 hr (2015-09-03 02:18:33 GMT)
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https://en.wikipedia.org/wiki/Inverse_distance_weighting

Figure 6‑35A and Figure 6‑35C in
http://www.spatialanalysisonline.com/HTML/index.html?inverse...
Selected response from:

DLyons
Ireland
Local time: 12:16
Grading comment
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +2"bull’s-eye effect"
DLyons
3 +1Bull's eye
Mario Freitas


  

Answers


2 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
Bull's eye


Explanation:
Não sei se em matemática também se aplica.

Mario Freitas
Brazil
Local time: 08:16
Native speaker of: Native in EnglishEnglish

Peer comments on this answer (and responses from the answerer)
agree  Matheus Chaud
18 hrs
  -> Obrigado, Matheus!
Login to enter a peer comment (or grade)

1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +2
"bull’s-eye effect"


Explanation:
This commonly arises in interpolation by inverse distance weighting (IDW).

Sudden changes in value tend to give rise to circular regions in data plots which then look somewhat like a dartboard (with a bull's eye in the centre).

--------------------------------------------------
Note added at 1 hr (2015-09-03 02:18:33 GMT)
--------------------------------------------------

https://en.wikipedia.org/wiki/Inverse_distance_weighting

Figure 6‑35A and Figure 6‑35C in
http://www.spatialanalysisonline.com/HTML/index.html?inverse...

DLyons
Ireland
Local time: 12:16
Specializes in field
Native speaker of: English
PRO pts in category: 44

Peer comments on this answer (and responses from the answerer)
agree  Paulinho Fonseca
11 hrs
  -> Obrigado Paulinho.

agree  Beatriz Souza
20 hrs
  -> Obrigado transl8_2.
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