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W Helms

Showing results (1-10 of 87) with videos related to

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Journal of Biopharmaceutical Statistics|March 11, 2011
Defining, evaluating, and removing bias induced by linear imputation in longitudinal clinical trials with MNAR missing dataRonald W Helms, Laura Helms Reece, Russell W Helms, et al.
Statistics in Medicine|October 1, 1992
Intentionally incomplete longitudinal designs: I. Methodology and comparison of some full span designsR W Helms
Pharmaceutical Statistics|September 14, 2016
Precise definitions of some terminology for longitudinal clinical trials: subjects, patient populations, analysis sets, intention to treat, and related termsRonald W Helms
Biometrics|March 1, 1989
Maximum likelihood estimation for incomplete repeated-measures experiments under an ARMA covariance structureJ Rochon, R W Helms
Controlled Clinical Trials|February 1, 1990
The conflict between relational databases and the hierarchical structure of clinical trials dataR W Helms, I McCanless
The American Review of Respiratory Disease|December 1, 1984
A longitudinal study of spirometry in young black and young white childrenG L Strope, R W Helms
Statistics in Medicine|July 15, 1995
Model selection techniques for the covariance matrix for incomplete longitudinal dataJ J Grady, R W Helms
Blood|February 10, 2012
Stroke With Transfusions Changing to Hydroxyurea (SWiTCH)Russell E Ware, Ronald W Helms,
Genesis (New York, N.Y. : 2000)|September 6, 2001
Identification of chromosomal deficiencies that modify Drosophila mastermind mutant phenotypesB Yedvobnick, W Helms, B Barrett
Biometrics|June 1, 1995
EM mixed model analysis of data from informatively censored normal distributionsF B Smith, R W Helms
Pageof 9

Showing results (1-10 of 87) with videos related to

Sort By:
Pageof 9
Journal of Biopharmaceutical Statistics|March 11, 2011
Defining, evaluating, and removing bias induced by linear imputation in longitudinal clinical trials with MNAR missing dataRonald W Helms, Laura Helms Reece, Russell W Helms, et al.
Statistics in Medicine|October 1, 1992
Intentionally incomplete longitudinal designs: I. Methodology and comparison of some full span designsR W Helms
Pharmaceutical Statistics|September 14, 2016
Precise definitions of some terminology for longitudinal clinical trials: subjects, patient populations, analysis sets, intention to treat, and related termsRonald W Helms
Biometrics|March 1, 1989
Maximum likelihood estimation for incomplete repeated-measures experiments under an ARMA covariance structureJ Rochon, R W Helms
Controlled Clinical Trials|February 1, 1990
The conflict between relational databases and the hierarchical structure of clinical trials dataR W Helms, I McCanless
The American Review of Respiratory Disease|December 1, 1984
A longitudinal study of spirometry in young black and young white childrenG L Strope, R W Helms
Statistics in Medicine|July 15, 1995
Model selection techniques for the covariance matrix for incomplete longitudinal dataJ J Grady, R W Helms
Blood|February 10, 2012
Stroke With Transfusions Changing to Hydroxyurea (SWiTCH)Russell E Ware, Ronald W Helms,
Genesis (New York, N.Y. : 2000)|September 6, 2001
Identification of chromosomal deficiencies that modify Drosophila mastermind mutant phenotypesB Yedvobnick, W Helms, B Barrett
Biometrics|June 1, 1995
EM mixed model analysis of data from informatively censored normal distributionsF B Smith, R W Helms
Pageof 9