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Pediatric Pulmonology
|
January 1, 1990
Longitudinal designs and their statistical analysis in pediatric pulmonary research
R W Helms
Statistics in Medicine
|
October 1, 1992
Intentionally incomplete longitudinal designs: I. Methodology and comparison of some full span designs
R W Helms
Biometrics
|
March 1, 1989
Maximum likelihood estimation for incomplete repeated-measures experiments under an ARMA covariance structure
J Rochon, R W Helms
Controlled Clinical Trials
|
February 1, 1990
The conflict between relational databases and the hierarchical structure of clinical trials data
R W Helms, I McCanless
The American Review of Respiratory Disease
|
December 1, 1984
A longitudinal study of spirometry in young black and young white children
G L Strope, R W Helms
Statistics in Medicine
|
July 15, 1995
Model selection techniques for the covariance matrix for incomplete longitudinal data
J J Grady, R W Helms
Archives of Dermatology and Syphilology
|
March 19, 2010
Congenital absence of the valves in the veins as a cause of varicosities
A C CURTIS, R W HELMS
Biometrics
|
June 1, 1995
EM mixed model analysis of data from informatively censored normal distributions
F B Smith, R W Helms
Statistics in Medicine
|
June 11, 1999
A discriminant analysis extension to mixed models
L Tomasko, R W Helms, S M Snapinn
The Cleft Palate Journal
|
October 1, 1988
Perceptions of appearance and speech by adolescent patients with cleft lip and palate and by their parents
R P Strauss, H Broder, R W Helms
Page
of 4
Search research articles
Search
Showing results (1-10 of 31) with videos related to
Sort By:
Page
of 4
Pediatric Pulmonology
|
January 1, 1990
Longitudinal designs and their statistical analysis in pediatric pulmonary research
R W Helms
Statistics in Medicine
|
October 1, 1992
Intentionally incomplete longitudinal designs: I. Methodology and comparison of some full span designs
R W Helms
Biometrics
|
March 1, 1989
Maximum likelihood estimation for incomplete repeated-measures experiments under an ARMA covariance structure
J Rochon, R W Helms
Controlled Clinical Trials
|
February 1, 1990
The conflict between relational databases and the hierarchical structure of clinical trials data
R W Helms, I McCanless
The American Review of Respiratory Disease
|
December 1, 1984
A longitudinal study of spirometry in young black and young white children
G L Strope, R W Helms
Statistics in Medicine
|
July 15, 1995
Model selection techniques for the covariance matrix for incomplete longitudinal data
J J Grady, R W Helms
Archives of Dermatology and Syphilology
|
March 19, 2010
Congenital absence of the valves in the veins as a cause of varicosities
A C CURTIS, R W HELMS
Biometrics
|
June 1, 1995
EM mixed model analysis of data from informatively censored normal distributions
F B Smith, R W Helms
Statistics in Medicine
|
June 11, 1999
A discriminant analysis extension to mixed models
L Tomasko, R W Helms, S M Snapinn
The Cleft Palate Journal
|
October 1, 1988
Perceptions of appearance and speech by adolescent patients with cleft lip and palate and by their parents
R P Strauss, H Broder, R W Helms
Page
of 4