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Gexp

English translation: Gexp

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Spanish term or phrase:Gexp
English translation:Gexp
Entered by: sebaspedlp

19:28 Mar 6, 2016
Spanish to English translations [PRO]
Medical - Medical: Pharmaceuticals / trabajo práctico faculta
Spanish term or phrase: Gexp
El hecho de que Gexp < Gtablas (0,44 < 0,68) indica que las varianzas de las concentraciones son homogéneas, es decir, que el factor concentración no influye en la variabilidad de los resultados.
Por otra parte, la ecuación de la recta obtenida tiene una correlación lineal R2 de 0,9996, valor aceptable (mayor o igual a 0,995).
sebaspedlp
Argentina
Local time: 18:51
Gexp
Explanation:
As far as I can make out, it's the same in English. I'll carry on checking

Page 9
Los resultados del análisis de la linealidad se muestran en las Tablas 2 a 4. Mediante un análisis de varianza (ANOVA), la homocedasticidad se demuestra aplicando la prueba G del test de Cochran, donde Gexp (SD=0,44; SMR=0,45 y SMT=0,15) es menor al Gtab ( =0,05, K=5, n=3)=0,68, lo que significa que las variancias para los diferentes niveles de concentración son homogéneas, mostrando así que el nivel de concentración no influye en la variabilidad de los resultados para los rangos de concentración definidos, por lo tanto no se presenta una relación estadísticamente significativa entre la variable explicativa (concentración) y el error experimental.

http://www.redalyc.org/pdf/3090/309032110005.pdf

In the table on page 9
Test de Cochran
Cochran test
Gexp < Gtab (α=0.05, K=3, n=3)

http://farmacia.ugr.es/ars/pdf/438.pdf




--------------------------------------------------
Note added at 37 mins (2016-03-06 20:06:21 GMT)
--------------------------------------------------

Homogeneity of data Cochran’s Test, (G – Test) Gexp = 0.529, Gcr = 0.677

http://facultyofengineeringnau.org/archive/29694417893693381...

--------------------------------------------------
Note added at 47 mins (2016-03-06 20:16:17 GMT)
--------------------------------------------------

The only problem is that most of the English references I've seen are texts written by people with Spanish names. Gexp could mean 'grupo experimental', in which case I'm not sure what the translation would be.

Gexp appears a lot in texts about 'la prueba G de Cochran', though I can't find a G test, only Cochran's C and Q tests.
Selected response from:

Helena Chavarria
Spain
Local time: 23:51
Grading comment
gracias
4 KudoZ points were awarded for this answer



Summary of answers provided
3 +2Gexp
Helena Chavarria
4 +1G statistic / observed value of G
DLyons


  

Answers


15 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +2
Gexp


Explanation:
As far as I can make out, it's the same in English. I'll carry on checking

Page 9
Los resultados del análisis de la linealidad se muestran en las Tablas 2 a 4. Mediante un análisis de varianza (ANOVA), la homocedasticidad se demuestra aplicando la prueba G del test de Cochran, donde Gexp (SD=0,44; SMR=0,45 y SMT=0,15) es menor al Gtab ( =0,05, K=5, n=3)=0,68, lo que significa que las variancias para los diferentes niveles de concentración son homogéneas, mostrando así que el nivel de concentración no influye en la variabilidad de los resultados para los rangos de concentración definidos, por lo tanto no se presenta una relación estadísticamente significativa entre la variable explicativa (concentración) y el error experimental.

http://www.redalyc.org/pdf/3090/309032110005.pdf

In the table on page 9
Test de Cochran
Cochran test
Gexp < Gtab (α=0.05, K=3, n=3)

http://farmacia.ugr.es/ars/pdf/438.pdf




--------------------------------------------------
Note added at 37 mins (2016-03-06 20:06:21 GMT)
--------------------------------------------------

Homogeneity of data Cochran’s Test, (G – Test) Gexp = 0.529, Gcr = 0.677

http://facultyofengineeringnau.org/archive/29694417893693381...

--------------------------------------------------
Note added at 47 mins (2016-03-06 20:16:17 GMT)
--------------------------------------------------

The only problem is that most of the English references I've seen are texts written by people with Spanish names. Gexp could mean 'grupo experimental', in which case I'm not sure what the translation would be.

Gexp appears a lot in texts about 'la prueba G de Cochran', though I can't find a G test, only Cochran's C and Q tests.

Helena Chavarria
Spain
Local time: 23:51
Native speaker of: Native in EnglishEnglish
PRO pts in category: 84
Grading comment
gracias
Notes to answerer
Asker: Ok!! THank you very much


Peer comments on this answer (and responses from the answerer)
agree  DLyons: G_exp is certainly correct - as you say "experimental"
1 hr
  -> Thank you very much! You're very kind ;-)
agree  Dr. Jason Faulkner: That's it.
23 hrs
  -> Thank you for your confirmation :-)
Login to enter a peer comment (or grade)

46 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
G statistic / observed value of G


Explanation:
The ST is a little confusing. What is happening is that the authors calculate the value of a G statistic (see e.g. link below) which is some variant of Cochran's test for homoscedasticity (that would have been a value of C).

This is compared to a table value, so G_exp is the "experimental" (more commonly known as the "observed" value). And it's not what is usually known as the "expected" value.

--------------------------------------------------
Note added at 52 mins (2016-03-06 20:21:19 GMT)
--------------------------------------------------

See also http://rtlam.blogspot.fr/


    Reference: http://www.ncbi.nlm.nih.gov/pubmed/20103107
DLyons
Ireland
Local time: 22:51
Specializes in field
Native speaker of: English
PRO pts in category: 59
Notes to answerer
Asker: Thank you, it is indeed about Cochran's test. In the following pages this test is named.


Peer comments on this answer (and responses from the answerer)
agree  Helena Chavarria: I was getting there, slowly, but I admit that the question has nothing to do with the subjects I work with.//But you've provided an explanation, something I can't do ;-)
22 mins
  -> Thanks Helena - it's something I've lived with for many years. And I think your answer works.
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