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statistics phrase

English translation: explained variance

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Spanish term or phrase:varianca explicada
English translation:explained variance
Entered by: xxxJon Zuber
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18:12 Jul 22, 2001
Spanish to English translations [PRO]
Science
Spanish term or phrase: statistics phrase
Could someone please help me with the two words in caps at the end?

"Del registro espectro-cinético, se obtuvieron para cada muestra un vector que estaba constituido por un total de 7686 valores de absorbancia (61 espectros ¥126 valores de longitud de onda). Este vector contenía los diferentes espectros registrados, ordenados por tiempo creciente de reacción. En todos los modelos, la matriz de datos fue centrada previamente a su procesamiento.
Se ensayaron diferentes modelos para optimizar el modo espectral (absorbancia y primera derivada), el rango de longitudes de onda de trabajo, y el tiempo de registro.
Para la construcción de los modelos PLS1 se utilizó el método de validación cruzada con 12 segmentos de cancelación seleccionados aleatoriamente. El número de factores PLS que se escogieron en estos modelos PLS1, fue el menor número de factores que presentaba un MSECVj no significativamente diferente del mínimo MSECV.(Ref 22)
En la construcción de los modelos nPLS1 se utilizó el método de test-set. El número de factores PLS escogido fue aquel a partir del cual en añadir un nuevo factor al modelo, la variancia explicada no mejoraba significativamente.
En la construcción de los modelos nPLS1 se utilizó el método de test-set. El número de factores PLS escogido fue aquel a partir del cual en añadir un nuevo factor al modelo, la VARIANCA EXPLICADA no mejoraba significativamente."
xxxJon Zuber
explained variance (variancia explicada)
Explanation:
It refers to the portion of the data that the statistic model can explain, vs that which remains unexplained. (It does not refer to something already/previously explained). The greater the portion of the explained variance, the stronger the model and the more likely it is to approach real life (e.g., a biological event).

Suerte
Elena
Selected response from:

xxxElena Sgarbo
Grading comment
Thank you very much for that exemplary explanation, Elena. Thanks also to peer-graders.
4 KudoZ points were awarded for this answer

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Summary of answers provided
na +3explained variance (variancia explicada)xxxElena Sgarbo
nathe variation previously explained
Parrot
nacould it be "variancia explicada?" (previously) explained variancexxxtrans4u


  

Answers


16 mins
could it be "variancia explicada?" (previously) explained variance


Explanation:
Hope this helps.

Bye

xxxtrans4u
PRO pts in pair: 308
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19 mins
the variation previously explained


Explanation:
did not improve significantly.

Parrot
Spain
Local time: 15:49
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 7645
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1 hr peer agreement (net): +3
explained variance (variancia explicada)


Explanation:
It refers to the portion of the data that the statistic model can explain, vs that which remains unexplained. (It does not refer to something already/previously explained). The greater the portion of the explained variance, the stronger the model and the more likely it is to approach real life (e.g., a biological event).

Suerte
Elena


    I'm an MD & researcher
xxxElena Sgarbo
Native speaker of: Native in SpanishSpanish
PRO pts in pair: 3539
Grading comment
Thank you very much for that exemplary explanation, Elena. Thanks also to peer-graders.

Peer comments on this answer (and responses from the answerer)
agree  Heathcliff: Exactly.
1 hr

agree  Davorka Grgic
6 hrs

agree  DR. RICHARD BAVRY
6 hrs
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