Author

Robert I. Jennrich

Observed names: R I Jennrich, R. I. JENNRICH, R. I. Jennrich, R. Jenrrich, R.I. JENNRICH, R.I. Jennrich, R.J. Jennrich, ROBERT I. JENNRICH, ROBERT JENNRICH, Robert I Jennrich, Robert Jennrich

Observed institutions: Chaoyang University of Technology, Educational Testing Service, University of California, Los Angeles, Ashland Community Hospital, University of California System, United States Army, National Institute of Environmental Health Sciences

OpenAlex ID: A5113663300

Asymptotic Properties of Non-Linear Least Squares Estimators

1969 · Robert I. Jennrich · The Annals of Mathematical Statistics · 1,327

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Unbalanced Repeated-Measures Models with Structured Covariance Matrices

1986 · Robert I. Jennrich, Mark D. Schluchter · Biometrics · 1,325

Measurement of non-circular home range

1969 · R.I. Jennrich, F.B. Turner · Journal of Theoretical Biology · 733

Gradient Projection Algorithms and Software for Arbitrary Rotation Criteria in Factor Analysis

2005 · Coen A. Bernaards, Robert I. Jennrich · Educational and Psychological Measurement · 599

Rotation for Simple Loadings

1966 · R. I. Jennrich, P. F. Sampson · Psychometrika · 482

Dud, A Derivative-Free Algorithm for Nonlinear Least Squares

1978 · Mary L. Ralston, Robert I. Jennrich · Technometrics · 364

Exploratory Bi-Factor Analysis

2011 · Robert I. Jennrich, Peter M. Bentler · Psychometrika · 295

An Asymptotic χ2Test for the Equality of Two Correlation Matrices

1970 · Robert I. Jennrich · Journal of the American Statistical Association · 254

Application of Stepwise Regression to Non-Linear Estimation

1968 · R. I. Jennrich, P. F. Sampson · Technometrics · 246

BMDP-77. Biomedical Computer Programs, P-Series.

1978 · F. H. C. Marriott, W. J. Dixon, et al. · Journal of the Royal Statistical Society Series A (General) · 223

Systolic blood pressure and mortality

2000 · Sidney Port, Linda Demer, et al. · The Lancet · 212

Acceleration of the EM Algorithm by using Quasi-Newton Methods

1997 · Mortaza Jamshidian, Robert I. Jennrich · Journal of the Royal Statistical Society Series B (Statistical Methodology) · 203

Home Ranges and Body Size of Lizards

1969 · Frederick B. Turner, Robert I. Jennrich, et al. · Ecology · 190

Conjugate Gradient Acceleration of the EM Algorithm

1993 · Mortaza Jamshidian, Robert I. Jennrich · Journal of the American Statistical Association · 176

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Newton-Raphson and Related Algorithms for Maximum Likelihood Variance Component Estimation

1976 · R. I. Jennrich, P. F. Sampson · Technometrics · 168

A Study of Algorithms for Covariance Structure Analysis with Specific Comparisons using Factor Analysis

1979 · S. Y. Lee, R. I. Jennrich · Psychometrika · 144

Exploratory Bi-factor Analysis: The Oblique Case

2012 · Robert I. Jennrich, Peter M. Bentler · Psychometrika · 137

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Standard Errors for EM Estimation

2000 · Mortaza Jamshidian, R. I. Jennrich · Journal of the Royal Statistical Society Series B (Statistical Methodology) · 119

Fitting Nonlinear Models to Data

1979 · R I Jennrich, M L Ralston · Annual Review of Biophysics and Bioengineering · 113

Modified citrus pectin (MCP) increases the prostate-specific antigen doubling time in men with prostate cancer: a phase II pilot study

2003 · B W Guess, M C Scholz, et al. · Prostate Cancer and Prostatic Diseases · 108

An Asymptotic | chi 2 Test for the Equality of Two Correlation Matrices

1970 · Robert I. Jennrich · Journal of the American Statistical Association · 104

Asymptotics of Estimating Equations under Natural Conditions

1998 · Ke-Hai Yuan, Robert I. Jennrich · Journal of Multivariate Analysis · 102

β-Cell Function: A Key Pathological Determinant in Polycystic Ovary Syndrome

2005 · Mark O. Goodarzi, Stephen Erickson, et al. · The Journal of Clinical Endocrinology & Metabolism · 99

A Newton-Raphson Algorithm for Maximum Likelihood Factor Analysis

1969 · Robert I. Jennrich, Stephen M. Robinson · Psychometrika · 96

A Simple General Procedure for Orthogonal Rotation

2001 · Robert I. Jennrich · Psychometrika · 95

Works count: 126

Citation count: 9,849

H-index: 41

I10-index: 79