función de gasto beta/alfa

English translation: alpha/beta spending functions

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Spanish term or phrase:función de gasto beta/alfa
English translation:alpha/beta spending functions
Entered by: Margarita Ezquerra (Smart Translators, S.L.)

13:22 Jul 19, 2009
Spanish to English translations [PRO]
Medical - Medical: Pharmaceuticals / product research
Spanish term or phrase: función de gasto beta/alfa
I need help with this phrase, in this context:

Tamaño de la muestra:
Es un diseño de grupo secuencial con un análisis provisional previsto para la interrupción por futilidad. Se utiliza ++"la función de gasto beta"++ de familia de potencia (delta=0.3) para el análisis de futilidad.
La ++función de gasto alfa++ Lan-Demets O’Brien Flemming (OF) se usa para controlar el error de tipo 1, más que la interrupción precoz por eficacia en PFS.

Thanks in advance.
Mariana Solanet
Argentina
Local time: 21:52
alpha/beta spending functions
Explanation:
[PPT] Design and Analysis of Group Sequential Clinical Trials ... - [ Traducir esta página ] Formato de archivo: Microsoft Powerpoint - Versión en HTML
Construct marginal critical boundaries with certain alpha/beta spending functions. Construct an appropriate multivariate decision rule. ...
www.bios.unc.edu/~kosorok/clinicaltrial/doc/MBSW.ppt - Similares


Fundamentals of clinical trials - Resultado de la Búsqueda de libros de Googlede Lawrence M. Friedman, Curt Furberg, David L ... - 1998 - Medical - 361 páginas
'W Interim log rank tests in the Beta-Blocker Heart Attack ... Flexible group sequential procedures — Alpha-spending functions While the group sequential ...
books.google.es/books?isbn=0387985867...
Further Comments on the Alpha Spending Function - [ Traducir esta página ] Keywords Two one-sided hypotheses testing · Alpha and beta spending · ... but the alpha spending function introduced by Lan and DeMets [13] is now one of ...
www.springerlink.com/index/w1753353un661421.pdf - Similares
de KKG Lan - Artículos relacionados
Choice of alpha spending function and time points in clinical ... - [ Traducir esta página ] combination of a rho family alpha spending function with exponent 1.5 and an O'Brien–. Fleming beta spending function,
Selected response from:

Margarita Ezquerra (Smart Translators, S.L.)
Spain
Local time: 02:52
Grading comment
gracias y perdón por la tardanza! :))
4 KudoZ points were awarded for this answer



Summary of answers provided
5For analysis of futility is used the "spending function beta" power class
Mihaela SERBAN
4 +1alpha/beta spending functions
Margarita Ezquerra (Smart Translators, S.L.)
4spending function beta/ alpha
Constantinos Faridis (X)


  

Answers


32 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
spending function beta/ alpha


Explanation:
Home > Resources > Glossary. Statistical Glossary. Lan-Demets Spending Function: See alpha spending function. Browse Other Glossary Entries ...
www.statistics.com/.../lan-demetsfn.php - Προσωρινά αποθηκευμένη - Παρόμοιες
Computations for group sequential boundaries using the Lan-DeMets ... - [ Μετάφραση αυτής της σελίδας ]Computations for group sequential boundaries using the Lan-DeMets spending function method. Reboussin DM, DeMets DL, Kim

Constantinos Faridis (X)
Greece
Local time: 03:52
Native speaker of: Greek
PRO pts in category: 4
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1 hr   confidence: Answerer confidence 5/5
For analysis of futility is used the "spending function beta" power class


Explanation:


Mihaela SERBAN
Romania
Local time: 03:52
Works in field
Native speaker of: Native in RomanianRomanian
Login to enter a peer comment (or grade)

2 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
alpha/beta spending functions


Explanation:
[PPT] Design and Analysis of Group Sequential Clinical Trials ... - [ Traducir esta página ] Formato de archivo: Microsoft Powerpoint - Versión en HTML
Construct marginal critical boundaries with certain alpha/beta spending functions. Construct an appropriate multivariate decision rule. ...
www.bios.unc.edu/~kosorok/clinicaltrial/doc/MBSW.ppt - Similares


Fundamentals of clinical trials - Resultado de la Búsqueda de libros de Googlede Lawrence M. Friedman, Curt Furberg, David L ... - 1998 - Medical - 361 páginas
'W Interim log rank tests in the Beta-Blocker Heart Attack ... Flexible group sequential procedures — Alpha-spending functions While the group sequential ...
books.google.es/books?isbn=0387985867...
Further Comments on the Alpha Spending Function - [ Traducir esta página ] Keywords Two one-sided hypotheses testing · Alpha and beta spending · ... but the alpha spending function introduced by Lan and DeMets [13] is now one of ...
www.springerlink.com/index/w1753353un661421.pdf - Similares
de KKG Lan - Artículos relacionados
Choice of alpha spending function and time points in clinical ... - [ Traducir esta página ] combination of a rho family alpha spending function with exponent 1.5 and an O'Brien–. Fleming beta spending function,

Margarita Ezquerra (Smart Translators, S.L.)
Spain
Local time: 02:52
Native speaker of: Spanish
PRO pts in category: 177
Grading comment
gracias y perdón por la tardanza! :))

Peer comments on this answer (and responses from the answerer)
agree  Andrea Riffo: Justo estoy traduciendo casi lo mismo, pero de inglés a español. Mi doc original (escrito por nativos) habla de alpha/beta-spending functions (con las letras griegas)
12 hrs
  -> Gracias ariffo
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