James 0. Ramsay
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James 0. Ramsaymathematics Degrees
Mathematics
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Mathematics
James 0. Ramsay's Degrees
- PhD Statistics University of California, Berkeley
- Masters Statistics University of California, Berkeley
- Bachelors Mathematics University of California, Berkeley
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(Suggest an Edit or Addition)James 0. Ramsay's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Functional Data Analysis (1997) (2399)
- Applied Functional Data Analysis: Methods and Case Studies (2002) (1098)
- Monotone Regression Splines in Action (1988) (842)
- Some Tools for Functional Data Analysis (1991) (827)
- Parameter estimation for differential equations: a generalized smoothing approach (2007) (642)
- Functional Data Analysis (Springer Series in Statistics) (1997) (565)
- Functional Data Analysis with R and MATLAB (2009) (448)
- Smoothing spline models for the analysis of nested and crossed samples of curves. Commentaries. Authors' reply (1998) (411)
- Examining scale discriminability in the BDI and CES-D as a function of depressive severity. (1995) (408)
- Estimating smooth monotone functions (1998) (363)
- Kernel smoothing approaches to nonparametric item characteristic curve estimation (1991) (346)
- Robust principal component analysis for functional data (1999) (322)
- Principal components analysis of sampled functions (1986) (260)
- Introduction to Functional Data Analysis (2007) (258)
- When the data are functions (1982) (216)
- Maximum likelihood estimation in multidimensional scaling (1977) (205)
- Curve registration (2018) (190)
- Parameter estimation in continuous-time dynamic models using principal differential analysis (2006) (157)
- The historical functional linear model (2003) (148)
- Some Statistical Approaches to Multidimensional Scaling Data (1982) (147)
- Nonparametric Item Analyses of the Beck Depression Inventory: Evaluating Gender Item Bias and Response Option Weights (1994) (142)
- Functional Data Analysis of Amplitude and Phase Variation (2015) (142)
- Combining Registration and Fitting for Functional Models (2008) (141)
- Spatial spline regression models (2013) (137)
- Penalized regression with model‐based penalties (2000) (125)
- The effect of number of categories in rating scales on precision of estimation of scale values (1973) (123)
- Progress in the technology of measurement: Applications of item response models. (1998) (111)
- Principal differential analysis : Data reduction by differential operators (1996) (105)
- Functional data analysis of the dynamics of the monthly index of nondurable goods production (2002) (97)
- Functional Components of Variation in Handwriting (2000) (94)
- Curve registration by local regression (2000) (94)
- Nonparametric Item Response Function Estimates with the EM Algorithm (2002) (79)
- Binomial Regression with Monotone Splines: A Psychometric Application (1989) (77)
- Confidence regions for multidimensional scaling analysis (1978) (76)
- On the registration of time and the patterning of speech movements. (1997) (71)
- Monotone spline transformations for dimension reduction (1983) (65)
- Functional data analyses of lip motion. (1996) (65)
- Comparison of height acceleration curves in the Fels, Zurich, and Berkeley growth data. (1995) (57)
- Deficits of musical timbre perception after unilateral temporal-lobe lesion revealed with multidimensional scaling. (2002) (56)
- Differential equation models for statistical functions (2000) (54)
- A Comparative Study of Several Robust Estimates of Slope, Intercept, and Scale in Linear Regression (1977) (53)
- Matrix correlation (1984) (53)
- Estimating a Predator‐Prey Dynamical Model with the Parameter Cascades Method (2008) (52)
- Dynamic Data Analysis (2017) (50)
- A Functional Approach to Modeling Test Data (1997) (48)
- Principal components analysis for functional data (1997) (48)
- The joint analysis of direct ratings, pairwise preferences, and dissimilarities (1980) (46)
- Some statistical considerations in multidimensional scaling (1969) (45)
- Some small sample results for maximum likelihood estimation in multidimensional scaling (1980) (45)
- Solving implicit equations in psychometric data analysis (1975) (44)
- Monotonic transformations to additivity using splines (1980) (43)
- Selecting optimal weighting factors in iPDA for parameter estimation in continuous-time dynamic models (2008) (42)
- PLU Robust Bayesian Decision Theory: Point Estimation (1980) (41)
- Statistics of time warpings and phase variations (2014) (40)
- Parameter cascades and profiling in functional data analysis (2007) (38)
- Maximum marginal likelihood estimation for semiparametric item analysis (1991) (37)
- Multicategorical spline model for item response theory (1992) (36)
- A penalized regression model for spatial functional data with application to the analysis of the production of waste in Venice province (2016) (36)
- Nonparametric density estimation for censored survival data: Regression‐spline approach (1992) (36)
- A Functional Data Analysis of the Pinch Force of Human Fingers (1995) (35)
- Functional data analyses of lip motion (1995) (35)
- Multidimensional scaling of synthetic musical timbre: perception of spectral and temporal characteristics. (1993) (32)
- Analysis of pairwise preference data using integrated B-splines (1981) (31)
- Computing Reproducing Kernels with Arbitrary Boundary Constraints (1993) (30)
- Spline smoothing with model-based penalties (1997) (29)
- Dynamic Data Analysis: Modeling Data with Differential Equations (2017) (29)
- A GEOMETRICAL APPROACH TO ITEM RESPONSE THEORY (1996) (28)
- Linear Mixed-Effects Modeling by Parameter Cascading (2010) (28)
- Economical method of analyzing perceived color differences. (1968) (25)
- Estimating mixed-effects differential equation models (2014) (24)
- A similarity-based smoothing approach to nondimensional item analysis (1995) (24)
- Multidimensional scaling of synthetic musical timbre : Perception of spectral and temporal characteristics (1997) (22)
- Comparison of the performance of normal individuals and survivors of traumatic brain injury on repeat administrations of the Wisconsin Card Sorting Test. (1998) (22)
- Spatial Functional Data Analysis (2011) (20)
- A Family of Gradient Methods for Optimization (1970) (18)
- Monotonic weighted power transformations to additivity (1977) (16)
- Intra- and interindividual variation in the power law exponent for area summation (1979) (16)
- A Strategy for Replacing Sum Scoring (2017) (14)
- Attitude measurement and the linear model. (1970) (14)
- Variation in height acceleration in the Fels growth data (1994) (14)
- Modeling spatial anisotropy via regression with partial differential regularization (2018) (13)
- Description and processing of functional data arising from juggling trajectories (2014) (13)
- A comparison of three simple test theory models (1989) (13)
- Generalized profiling estimation for global and adaptive penalized spline smoothing (2009) (12)
- Fitting Curves with Periodic and Nonperiodic Trends and Their Interactions with Intensive Longitudinal Data (2006) (11)
- SMOOTHED STANDARDIZATION ASSESSMENT OF TESTLET LEVEL DIF ON A MATH FREE-RESPONSE ITEM TYPE1 (1995) (10)
- CollocInfer: Collocation Inference in Differential Equation Models (2016) (9)
- Investigating the impact of operating parameters on molecular weight distributions using Functional regression (2004) (8)
- Detecting and correcting for rater‐induced differences in standardized patient tests of clinical competence (1990) (8)
- CollocInfer: An R Library for Collocation Inference for Continuous{ and Discrete{Time Dynamic Systems (2010) (8)
- The Control of Behavioral Input/Output Systems (2006) (7)
- Optimal Scores: An Alternative to Parametric Item Response Theory and Sum Scores (2018) (7)
- A functional marked point process model for lupus data (2012) (7)
- From Zero to Sixty: Calibrating Real-Time Responses (2008) (7)
- The roughness penalty approach (1997) (7)
- Principal Differential Analysis (2006) (7)
- Matfit: A fortran subroutine for comparing two matrices in a subspace (1990) (7)
- Differential operators in functional data analysis (1997) (7)
- MULTISCALE: A Multidimensional Scaling Program (1983) (6)
- A SCORING SYSTEM FOR MULTIPLE CHOICE TEST ITEMS (1968) (6)
- Nonparametric density estimation over complicated domains (2021) (6)
- Registration: Aligning Features for Samples of Curves (2009) (5)
- Exploring Variation: Functional Principal and Canonical Components Analysis (2009) (5)
- Functional Models for Test Items (2002) (5)
- The registration and display of functional data (1997) (4)
- Fast stable parameter estimation for linear dynamical systems (2020) (4)
- Spatial spline regression models for data distributed over irregularly shaped regions (2011) (4)
- Breaking Through the Sum Scoring Barrier (2016) (4)
- Full Information Optimal Scoring (2020) (4)
- Functional Data Analysis – Theory (2014) (3)
- Analysis of juggling data: Landmark and continuous registration of juggling trajectories (2014) (3)
- The data analysis of vector-valued functions (1989) (3)
- Smoothing: Computing Curves from Noisy Data (2009) (3)
- Canonical correlation and discriminant analysis (1997) (3)
- Maternal blood pressure trajectories and associations with gestational age at birth: a functional data analytic approach (2021) (3)
- How to Specify Basis Systems for Building Functions (2009) (2)
- Algebraic representation in the physical and behavioral sciences (1976) (2)
- Monotone Splines: A Family of Transformations Useful for Data Analysis (1982) (2)
- The analysis of replicated spatial functions of time (1989) (2)
- Better Rating Scale Scores with Information–Based Psychometrics (2020) (2)
- Discussion of Secchi, Vantini and Vitelli paper (2015) (2)
- Differential equation models for statistical functions 1 (2000) (2)
- True Score Theory: a Paradox (1971) (2)
- Optimal scores as an alternative to sum scores (2017) (2)
- [Monotone Regression Splines in Action]: Rejoinder (1988) (2)
- Learned-loss boosting (2012) (2)
- Introduction to Functional Data Analysis 1.1 What Are Functional Data? 1.1.1 Data on the Growth of Girls (2)
- Functional Data Analysis in Action (2)
- A novel method for spatial smoothing (2012) (1)
- Regression with Partial Differential Regularizations, using theFinite Element Method (2016) (1)
- How to Build Functional Data Objects (2009) (1)
- Time Warping Handwriting and Weather Records (2002) (1)
- Functional Approaches to Modeling Response Data (2016) (1)
- TestGardener: A Program for Optimal Scoring and Graphical Analysis (2017) (1)
- Parameter Cascading for High Dimensional Models (2008) (1)
- From Data to Differential Equations (2004) (1)
- Functional Linear Models for Scalar Responses (2009) (1)
- Assessing and Improving Prediction and Classification, Theory and Algorithms in C++ (2017) (1)
- A Functional Estimate of Covariation (2017) (1)
- Regularized principal components analysis (1997) (1)
- Life Course Data in Criminology (2002) (1)
- Review of Statistical inference: A distribution-free approach. (1971) (1)
- Linear Models for Functional Responses (2009) (1)
- Zooming in on Human Growth (2002) (1)
- Principal components analysis of mixed data (1997) (1)
- Statistical Analysis of Functional and Spatial Data, Based on Regression with PDE Regularization [R package fdaPDE version 1.0-9] (2020) (1)
- Sparse estimation within Pearson's system, with an application to financial market risk (2023) (0)
- Linear Models for Output-Buffered Systems (2009) (0)
- The Nondurable Goods Index (2002) (0)
- Differential Equations: Notation and Architecture (2017) (0)
- Nonlinear Least Squares or Trajectory Matching (2017) (0)
- More general roughness penalties (1997) (0)
- Functional linear models (1997) (0)
- Estimating mixed-effects differential equation models (2012) (0)
- Functional data analysis of juggling trajectories: Rejoinder (2014) (0)
- Mathematical Challenge April 2015 Principal Component Analysis (0)
- Optimal scores in comparison to sum scores and parametric IRT scores (2018) (0)
- Representing functional data as smooth functions (1997) (0)
- Discussion (2001) (0)
- Functional linear models for functional responses (1997) (0)
- Comments (2009) (0)
- Notation and techniques (1997) (0)
- TESTGRAF: Some Graphics Tools for the Analysis of Examination Data, (1992) (0)
- CHARACTERISTICS OF SPEECH MOVEMENTS (2005) (0)
- Chapter 5 Smoothing : Computing Curves from Noisy Data (2009) (0)
- Functional data analysis - An Introduction† (2014) (0)
- The Dynamics of Handwriting Printed Characters (2002) (0)
- Modeling Reaction-Time Distributions (2002) (0)
- Functional Data Analysis of Juggling Trajectories (2013) (0)
- Introduction to Dynamic Models (2017) (0)
- Workshop: Learning More from Test Data: New Tools for Test Scoring (2019) (0)
- Object Oriented Data Analysis (2023) (0)
- Functional Models and Dynamics (2009) (0)
- Optimal Scores: An Alternative to Parametric Item Response Theory and Sum Scores (2018) (0)
- Functional Equations in Behavioral and Social Sciences (2004) (0)
- Predicting Lip Acceleration from Electromyography (2002) (0)
- Reducing Bias in Nonparametric Regression Problems Involving Families of Curves (1992) (0)
- Essential Comparisons of the Matlab and R Languages (2009) (0)
- Linear Differential Equations and Systems (2017) (0)
- How Do Bone Shapes Indicate Arthritis (2002) (0)
- A Differential Equation for Juggling (2002) (0)
- Profiled Estimation for Linear Systems Estimated by Least Squares Fitting (2017) (0)
- Discussion of ‘‘Functional Modelling’’ (2005) (0)
- Profiled Estimation for Nonlinear Systems (2017) (0)
- Bone Shapes from a Paleopathology Study (2002) (0)
- Descriptions of Functional Data (2009) (0)
- Two-Stage Least Squares or Gradient Matching (2017) (0)
- MOX-Report No . 34 / 2015 A separable model for spatial functional data with application to the analysis of the production of waste (2015) (0)
- Some perspectives on FDA (1997) (0)
- Functional Components of Variation in Handwriting Author ( s ) : (2010) (0)
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