Blue Null Consulting Group LLC

Personalized and cutting edge consulting services

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R codes to perform following analyses are available upon request.  Some of codes are already on the CRAN website (please find the link below).  We will be able to work on converting them to some other platforms (e.g., SAS, Stata).  Please contact our administration office at admin@bluenull.com for more details.

1. Personalized Medicine

Technical Detail (w/o censorine):

Tianxi Cai, Lu Tian, Peggy H. Wong, and L. J. \Vei

Biostatistics, 2010. Epub ahead of print

Technical Detail (extension to censored survival data):

Lihui Zhao, Tianxi Caj, Lu Tian, Hajime Uno, Scott D. Solomon, and L. J. \\'ei

 

2. Evaluation of prediction models (global summary measures)

Technical Detail (absolute orediction error):

Lu Tian, Tianxi Cai, Els Goelghebeur, ,and L. J. \Vei

Biometrika, 2007; 94: 297-311.

Technical Detail (extension to censored survival data)

Hajime Uno, Tianxi Cai, Lu Tian, and LJ. \Vei

Journal of the American Statistical Association, 2007; 102: 527-37.

Technical Detail CC-statistics for censored survival data).

Hajime Uno, Tianxi Cai,Michael J. Pencina, Ralph 8. D'Agostino, and L.J. \Ve.i

Statistics in Medicine, 2011; 30:1105-17.

R package: survC1

Technical Detail (extension of IOI type measure to censored sur,•ival data).

Hajime Uno, Lu Tian, Tianxi Cai, Isaac S. Kohane, and L. J. Wei

 

3. Evaluation of prediction modelllfillbject-level)

Technical Detail:

Lu Tian,T ianxi Cai, and L. J. \Vei

Technical Detail:

Tianxi Cai, Lu Tian, Donald M. Lloyd-Jones, and L. J. Wei

Technical Detail:

Hajime Uno, Tianxi Cai, Lu Tian, and L. J. Wei

 

4. Calibration of a subject specific risk score

Technical Detail (possibly censored survival data):

Tianxi Cai, Lu Tian, Hajime Uno,Scott D. Solomon,and L.J. Wei

Biometrika, 2010; 97: 389-404.

Technical Detail (extension to competing risk):

Yi Li, Lu Tian, and L. J. \Vei

Biometrics. 2010; Epub ahead of print

 

5. Meta Analysis

Technical Detail: licmJ Parametric Inference Procedure For Percentiles of the Random Effect

Distribution in Meta Anal)l.lli.

Rui Wang, Lu Tian, Tianxi Cai, and L. J. Wei

Annals of Applied Statistics, 2010: 4(1):520-532.

Technical Detail:

Lu Tian, Tianxi Cai,Nikita Pianko", Pierre-Yves Cremieux, and L. J. Wei

Biostatistics. in press

 

6. Absolute Risk Difference

Technical Detail:

Lihui Zhao, Lu Tian, Hajime Uno, Scott D. Solomon, Marc A. Pfcffer,J. S. Schindler, and

L. J. Wei

7. Data Monitoring1ool(flefil

Technical Detail:

Lingling Li, Scott R. Evans, Hajime Uno, LJ Wei

Statistics in Biopharmaceutical Research. November 1, 2009, 1(4): 348-355. doi:10.1198/sbr.2009.0041.

R package: PIPS

 

 


 

 

 

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