Ramon C. Littell

Ramon C. Littell's AcademicInfluence.com Rankings

Ramon C. Littell

Mathematics

#5727

World Rank

#8043

Historical Rank

Statistics

#440

World Rank

#511

Historical Rank

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Mathematics

Ramon C. Littell's Degrees

PhD Statistics University of Georgia
Masters Statistics University of Georgia
Bachelors Mathematics University of Georgia

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Ramon C. Littell'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

SAS System for Mixed Models (1996) (7241)
Statistical analysis of repeated measures data using SAS procedures. (1998) (2785)
Modelling covariance structure in the analysis of repeated measures data. (2000) (845)
SAS for Mixed Models (2018) (741)
SAS for Mixed Models, Second Edition (2006) (649)
SAS for Linear Models (2002) (630)
SAS® System for Regression (2001) (523)
SAS for linear models : a guide to the ANOVA and GLM procedures (1981) (421)
Effect of antibiotic growth promoters on broiler performance, intestinal growth parameters, and quantitative morphology. (2006) (321)
Exact Statistical Methods for Data Analysis (2001) (260)
Asymptotic Optimality of Fisher's Method of Combining Independent Tests (1971) (252)
Chemical characteristics and relative bioavailability of supplemental organic zinc sources for poultry and ruminants. (2000) (240)
Estimation of relative bioavailability of nutrients using SAS procedures. (1997) (235)
SAS® System for Mixed Models@@@SAS registered System for Mixed Models (1997) (218)
HPLC method for analysis of free amino acids in fish using o-phthaldialdehyde precolumn derivatization. (1999) (153)
Chemical characteristics and relative bioavailability of supplemental organic copper sources for poultry. (2001) (138)
TUTORIAL IN BIOSTATISTICS: MODELLING COVARIANCE STRUCTURE IN THE ANALYSIS OF REPEATED MEASURES DATA (2000) (138)
Monitoring Babesia bovis infections in cattle by using PCR-based tests (1996) (137)
Projected multivariate linear models for directional data (1998) (124)
Nitrogen Fixation in Grasses Inoculated with Spirillum lipoferum (1976) (124)
Comparison of various antibiotic treatments for cows diagnosed with toxic puerperal metritis. (1995) (108)
Moisture and substrate availability constrain soil trace gas fluxes in an eastern Amazonian regrowth forest (2004) (93)
Relative bioavailability of supplemental inorganic zinc sources for chicks. (1997) (93)
Relative bioavailability of organic zinc sources based on tissue zinc and metallothionein in chicks fed conventional dietary zinc concentrations (2002) (93)
Analysis of unbalanced mixed model data: A case study comparison of ANOVA versus REML/GLS (2002) (92)
Performance of lactating dairy cows managed on pasture-based or in freestall barn-feeding systems. (2005) (89)
A general polyploid model for analyzing gene segregation in outcrossing tetraploid species. (2001) (88)
Performance and tissue zinc and metallothionein accumulation in chicks fed a high dietary level of zinc. (1998) (85)
Computer assisted design and analysis of response surface experiments in agronomy (1975) (83)
Statistical evaluation of bioavailability assays (1995) (81)
Hurricanes and the Urban Forest: I. Effects on Southeastern United States Coastal Plain Tree Species (2007) (79)
Fluorescent antibody technique to identify Azospirillum brasilense associated with roots of grasses (1979) (77)
The effects of quality grade, aging, and location within muscle on Warner-Bratzler shear force in beef muscles of locomotion. (2005) (77)
Hurricanes and the Urban Forest: II. Effects on Tropical and Subtropical Tree Species (2007) (77)
Regression Using JMP (2003) (74)
ANALYSIS OF REPEATED MEASURES DATA (1990) (73)
Application of approximate variances of variance components and their ratios in genetic tests (1995) (72)
Effect of method of applying fibrolytic enzymes or ammonia to Bermudagrass hay on feed intake, digestion, and growth of beef steers. (2008) (71)
Effect of fibrolytic enzymes on the fermentation characteristics, aerobic stability, and digestibility of bermudagrass silage. (2005) (69)
Relative bioavailability of manganese from a manganese-methionine complex and inorganic sources for ruminants. (1992) (63)
Performance of ‘Valencia’ Sweet Orange Trees on 12 Rootstocks at Two Locations and an Economic Interpretation as a Basis for Rootstock Selection (2010) (63)
A logistic mixture model for characterizing genetic determinants causing differentiation in growth trajectories. (2002) (59)
Comparing nutrient intake from food to the estimated average requirements shows middle- to upper-income pregnant women lack iron and possibly magnesium. (2003) (58)
Goodness-of-fit tests for the two parameter Weibull distribution (1979) (58)
Use of an enzyme-linked immunosorbent assay to estimate prevalence of paratuberculosis in cattle of Florida. (1990) (57)
Effect of dietary iron concentration, age, and length of iron feeding on feed intake and tissue iron concentration of broiler chicks for use as a bioassay of supplemental iron sources. (1996) (56)
The potential to increase digestibility of tropical grasses with a fungal, ferulic acid esterase enzyme preparation (2008) (54)
Metabolic responses of transition Holstein cows fed anionic salts and supplemented at calving with calcium and energy. (2002) (53)
Development and evaluation of a chicken breakfast sausage manufactured with mechanically deboned chicken meat. (1997) (53)
Effect of dietary zinc source and method of oral administration on performance and tissue trace mineral concentration of broiler chicks. (1999) (51)
Structured Antedependence Models for Functional Mapping of Multiple Longitudinal Traits (2005) (50)
Statistical Analysis of Experiments with Repeated Measurements (1989) (50)
SAS System for Regression,Third Edition (2000) (49)
Effects of Fungi and Bacteria on the Decline of Arthropod-Damaged Waterhyacinth (Eichornia crassipes) in Florida (1978) (48)
Pruning and skirting affect canopy microclimate, yields, and fruit quality of 'Orlando' tangelo (2000) (48)
A haplotype-based algorithm for multilocus linkage disequilibrium mapping of quantitative trait loci with epistasis. (2003) (48)
Effect of calcium-energy supplements on calving-related disorders, fertility and milk yield during the transition period in cows fed anionic diets. (2003) (47)
A statistical model for the genetic origin of allometric scaling laws in biology. (2002) (45)
Appropriate statistical methods to compare dose responses of methionine sources. (2006) (45)
Social behavior drives the dynamics of respiratory disease in threatened tortoises. (2010) (45)
Effects of Arsenic Species and Concentrations on Arsenic Accumulation by Different Fern Species in a Hydroponic System (2005) (44)
Physiologic and metabolic responses of wheat seedlings to elevated and super-elevated carbon dioxide (2008) (44)
Improved Enzyme-Linked Immunosorbent Assay To Reveal Mycoplasma agassizii Exposure: a Valuable Tool in the Management of Environmentally Sensitive Tortoise Populations (2007) (44)
Arsenic distribution in Florida urban soils: comparison between Gainesville and Miami. (2003) (43)
Response of Pearl Millet Inbreds and Hybrids to Inoculation with Azospirillum brasilense 1 (1979) (43)
Some Characteristics of Nocturnal Penile Tumescence during Puberty (1972) (42)
Free Amino Acids in Dark- and White-muscle Fish as Determined by O-phthaldialdehyde Precolumn Derivatization (2001) (42)
Agricultural Field Experiments. (1996) (41)
Effects of selected pesticides and adjuvants on germination and vegetative growth of Phomopsis amaranthicola, a biocontrol agent for Amaranthus spp. (2004) (40)
Exact Tests for the Main Effects' Variance Components in an Unbalanced Random Two-Way Model. (1987) (39)
A field investigation to examine the effects of sprayer type, ground speed, and volume rate on spray deposition in Florida citrus (1989) (39)
Effects of treatment with ammonia or fibrolytic enzymes on chemical composition and ruminal degradability of hays produced from tropical grasses (2008) (39)
Model for mapping imprinted quantitative trait loci in an inbred F2 design. (2006) (38)
Recovery of forest structure and spectral properties after selective logging in lowland Bolivia. (2006) (38)
Estimation of Shift and Center of Symmetry Based on Kolmogorov-Smirnov Statistics (1975) (36)
Evaluation of an enzyme-linked immunosorbent assay for diagnosis of trichinellosis in swine. (1992) (35)
Gas chromatographic analysis of histamine in mahi-mahi (Coryphaena hippurus). (2002) (35)
Evaluation of the properties of polystyrene divinylbenzene adsorbents for debittering grapefruit juice (1990) (35)
Relative Bioavailability of Basic Zinc Sulfate and Basic Zinc Chloride for Chicks (2000) (35)
Effect of Method of Adding a Fibrolytic Enzyme to Dairy Cow Diets on Feed Intake Digestibility, Milk Production, Ruminal Fermentation, and Blood Metabolites# (2013) (35)
Nutritional characterization of Mucuna pruriens: 3. Effect of replacing soybean meal with Mucuna on intake, digestibility, N balance and microbial protein synthesis in sheep (2009) (33)
Incidence of subclinical ketosis in cows supplemented with a monensin controlled-release capsule in Holstein cattle, Florida, USA. (2006) (32)
Bull influences on conception percentage and calving date in Angus Hereford, Brahman and Senepol single-sire herds. (1990) (31)
Nutritional characterization of Mucuna pruriens: 1. Effect of maturity on the nutritional quality of botanical fractions and the whole plant. (2009) (31)
Mineral nutrition of beef cattle grazing native pastures on the eastern plains of Colombia. (1980) (31)
Statistical methods for dissecting triploid endosperm traits using molecular markers. An autogamous model. (2002) (30)
Effect of Inoculation with Azospirillum and Azotobacter on Tuff-type Bermuda Genotypes 1 (1978) (30)
Carbon dioxide and temperature effects on forage dry matter production (2001) (29)
Quantitative trait loci for growth trajectories in Populus. (2003) (28)
A Test of Equality of Two Normal Population Means and Variances (1976) (28)
ANALYSIS OF BIOGENIC AMINES AND THEIR PRECURSOR FREE AMINO ACIDS IN MAHI‐MAHI (CORYPHAENA HIPPURUS) (2007) (26)
Nutritional characterization of Mucuna pruriens 4. Does replacing soybean meal with Mucuna pruriens in lamb diets affect ruminal, blood and tissue L-dopa concentrations? (2009) (25)
Sensory attributes and volatile components of stored strawberry juice (2006) (24)
WINTER MORTALITY OF COMMON LOONS IN FLORIDA COASTAL WATERS (1997) (23)
Modeling Extent and Distribution of Zygotic Disequilibrium: Implications for a Multigenerational Canine Pedigree (2006) (22)
Nutritional characterization of Mucuna pruiriens: 2. In vitro ruminal fluid fermentability of Mucuna pruriens, Mucuna L-dopa and soybean meal incubated with or without L-dopa. (2009) (22)
Effect of a monensin controlled-release capsule on rumen and blood metabolites in Florida Holstein transition cows. (2004) (22)
Variation in density and moisture content of wood and bark among twenty Eucalyptus grandis progenies (1984) (21)
New Tools for the Analysis and Characterization of Slow-Release Fertilizers (2003) (21)
ON-FARM EXPERIMENTS WITH MAIZE-MUCUNA SYSTEMS IN THE LOS TUXTLAS REGION OF VERACRUZ, MEXICO. I. MUCUNA BIOMASS AND MAIZE GRAIN YIELD (2003) (21)
Estimation of the relative bioavailability of zinc from inorganic zinc sources for sheep (1997) (21)
Variability in Juice Quality of 'Valencia∑ Sweet Orange and Sample Size Estimation for Juice Quality Experiments (2003) (20)
Clustering Periodic Patterns of Gene Expression Based on Fourier Approximations (2006) (19)
Coleoptile Length of Dwarf Wheat Isolines (2002) (19)
Growth of an understory herb is chronically reduced in Amazonian forest fragments (2011) (18)
TVB-N Correlation with Odor Evaluation and Aerobic Plate Count in Mahi-Mahi (Coryphaena hippurus) (2002) (18)
Bioavailability of cobalt sources for ruminants. 2. Estimation of the relative value of reagent grade and feed grade cobalt sources from tissue cobalt accumulation and vitamin B12 concentrations (1997) (17)
Age-Related Response of Anastrepha suspensa (Diptera: Tephritidae) to Protein Hydrolysate and Sucrose (1995) (17)
Effectiveness of a Leafminer Control Program for Florida Tomato Production (1975) (17)
Confidence Regions for Location and Scale Parameters Based on the Kolmogorov-Smirnov Goodness of Fit Statistic (1978) (16)
Genetic trends for milk yield of Jerseys and correlated changes in productive and reproductive performance. (1999) (16)
INFLUENCE OF RAINFALL ON LUNGWORM INFECTIONS IN BIGHORN SHEEP * (1976) (15)
Ordinary least squares estimation of general and specific combining abilities from half-diallel mating designs (1992) (15)
Effect of high dietary zinc concentration and length of zinc feeding on feed intake and tissue zinc concentration in sheep (1997) (15)
Bioavailability of cobalt sources for ruminants. 3. In vitro ruminal production of vitamin B12 and total corrinoids in response to different cobalt sources and concentrations (1997) (15)
Intraspecific Competition of Hydrilla verticillata (1980) (14)
Nitrogen fertilization affects bahiagrass responses to elevated atmospheric carbon dioxide (2006) (14)
Insomniacs: Unpredictable and Idiosyncratic Sleepers1 (1973) (14)
Bioavailability of cobalt sources for ruminants : 1. Effects of time and dietary cobalt concentration on tissue cobalt concentration (1997) (14)
Design of paired comparison experiments when treatments are levels of a single quantitative variable (1986) (13)
Effect of administration of a controlled-release monensin capsule on incidence of calving-related disorders, fertility, and milk yield in dairy cows. (2006) (13)
The SAS System for Linear Models (3rd e.). (1992) (13)
Pre-partum monensin supplementation improves body reserves at calving and milk yield in Holstein cows dried-off with low body condition score. (2007) (12)
Exponential mapping of quantitative trait loci governing allometric relationships in organisms (2003) (12)
Combining One-Sided Binomial Tests (1986) (12)
IMPACT OF VARIANCE COMPONENT ESTIMATES ON FIXED EFFECT INFERENCE IN UNBALANCED LINEAR MIXED MODELS (2002) (12)
Comparison of methods to determine relative bioavailability of magnesium in magnesium oxides for ruminants. (1989) (12)
Analysis of somatic cell count data by a peak evaluation algorithm to determine inflammation events. (1991) (11)
Influence of dietary lead and calcium on tissue lead accumulation and depletion, lead metabolism and tissue mineral composition in sheep. (1983) (11)
Confidence Regions Based on Methods of Combining Test Statistics (1981) (11)
Probability of Detecting Nematode Infestations in Quarantine Samples (1993) (10)
ON-FARM EXPERIMENTS WITH MAIZE-MUCUNA SYSTEMS IN THE LOS TUXTLAS REGION OF VERACRUZ, SOUTHERN MEXICO. II. MUCUNA VARIETY EVALUATION AND SUBSEQUENT MAIZE GRAIN YIELD (2003) (10)
Effects of dietary phosphorus, soil ingestion and dietary intake level on performance, phosphorus utilization and serum and alimentary tract mineral concentrations in lambs. (1988) (9)
Modelling epistatic effects of embryo and endosperm QTL on seed quality traits. (2006) (9)
Relative bioavailability of magnesium sources for ruminants as measured by urinary magnesium excretion (1992) (9)
Handbook on Gopher Tortoise (Gopherus polyphemus): Health Evaluation Procedures for Use by Land Managers and Researchers (2009) (9)
SAS® System for Elementary Statistical Analysis@@@SAS registered System for Elementary Statistical Analysis (1999) (8)
The SAS System for Regression (2nd ed.). (1992) (8)
A likelihood approach for mapping growth trajectories using dominant markers in a phase-unknown full-sib family (2004) (8)
Which Mole Crickets Damage Bahiagrass Pastures (1982) (7)
Local Influence of Predictors in Multiple Linear Regression (2003) (7)
IDENTIFYING THE SOCIAL DOMINANCE ORDER IN A MIXED BREED HERD: A PRACTICAL METHODOLOGY Identificando el orden de dominancia social en un rebaño racialmente mixto. Una metodología práctica (2005) (7)
Effects of sire of fetus upon subsequent milk production and reproduction of Jersey cows. (1989) (7)
Foraging behavior of red-cockaded woodpeckers: an evaluation of research methodologies (1985) (7)
Seroepidemiology of trichinellosis in Florida swine. (1993) (6)
The Evolution of Linear Models in SAS: A Personal Perspective (2011) (6)
Repeated Measures Analysis with Clustered Subjects (2007) (6)
Sorption of Ethyl Butyrate and Octanal Constituents of Orange Essence by Polymeric Adsorbents (1993) (6)
Designs for R × C factorial paired comparison experiments (1977) (6)
Weight changes of male dairy calves following zeranol implants. (1982) (5)
Chemical analysis and sensory evaluation of mahi-mahi (Cryphaena hippurus) during chilled storage. (2004) (5)
Soil water use, root density, and fruit yield for two citrus tree spacings. (1990) (5)
Establishment of associative N2-fixing systems (1983) (4)
Genetic effects on dairy calf growth. (1989) (4)
Orientation of Fall‐migrating Butterflies in North Peninsular Florida and Source Areas (2010) (3)
241 Estimating Optimal Sample Size for Sweet Orange Fruit Quality Experiments (1999) (3)
Phenotypic variation in calorific value of melaleuca materials from south florida (2008) (3)
On minimum distance estimation of location based on the kolmogorov statistic (1982) (3)
A framework to monitor environment‐induced major genes for developmental trajectories: implication for a prenatal cocaine exposure study (2006) (3)
On the relative efficiency of some kolmogorov-smirnov-type tests for symmetry about zero (1974) (3)
The influence of shading on associative N2 fixation (1984) (3)
On the Comparison of Two Methods of Combining Independent Tests (1972) (3)
ANALYSIS OF UNBALANCED MIXED MODEL DATA: Traditional ANOVA Versus Contemporary Methods (1996) (3)
INFLUENCE OF DIETARY MANGANESE ON TISSUE TRACE MINERAL ACCUMULATION AND DEPLETION IN SHEEP (1985) (3)
Influence of various solvent-water mixtures on the extraction of dieldrin and methomyl residues from radishes. (1982) (3)
SAS System for Forecasting Time Series@@@SAS System for Linear Models@@@SAS System for Regression (1988) (2)
On the Efficiency of a Competitor of the Two-Sample Kolmogorov-Smirnov and Kuiper Tests (1972) (2)
Update on adequacy of protein and energy intake during pregnancy. (2003) (2)
Concentration of aqueous orange essence by sorption on styrene-divinylbenzene resin (1992) (1)
Multiple Comparison Procedures (1989) (1)
Minimizing ELISA background in the diagnosis of swine trichinellosis. (1992) (1)
Estimates of sample size for detection and estimation of incidence and severity of corky ringspot of potato (2003) (1)
On the Relation Between Bahadur Efficiency and Power (1970) (1)
Power Analysis of On-farm Fertilizer Trials with Tomato (2007) (1)
PLANNING A SAFETY STUDY OF AN AGRICULTURAL PRODUCT: EFFECTS OF LAND APPLICATION OF PHOSPHOGYPSUM ON RADON FLUX (1992) (1)
About the inconvenience of handling mixed-breed herds; aspects of social behavior as a potential source of stress and economic losses (2019) (1)
EMPIRICAL AND HIERARCHICAL BAYES ESTIMATION OF THE RESPONSE FUNCTION (1990) (1)
Practical Statistics Simply Explained (1973) (0)
Modeling Variation in Repeated Measures Data (2010) (0)
Soil pH adjustment by the double buffer method for pearl millet (Pennisetum typhoides (Berm.) Staph and Hubbard) on an ultic haplaquod (1978) (0)
Tissue Zinc Uptake as a Measure of the Relative Bioavailability of Supplemental Zinc Sources For Domestic Animals (2002) (0)
[Statistical Methods for Nuclear Materials Safeguards: An Overview]: Discussion (1982) (0)
The Effects of Quality Grade , Aging , and Location Within Muscle on WBSF in Beef Muscles of Locomotion 1 (2004) (0)
APPROPRIATE STATISTICAL METHODS FOR COMPARING SOURCES OF NUTRITIONAL METHIONINE (2006) (0)
Acetylene Reduction Activity and Non-Structural Carbohydrate Content of Hemarthria Altissima CV. Bigalta, After Defoliation (1984) (0)
ESTIMATION OF AND ADJUSTMENT FOR RESIDUAL EFFECTS IN DAIRY FEEDING EXPERIMENTS UTILIZING CHANGEOVER DESIGNS (1995) (0)
Technical note: subjective enumeration of episodic events (spikes) in animal physiology experiments. (1995) (0)
Production, Management and the Environment: Nutritional Management (2004) (0)
Sampling Citrus Fibrous Roots and Tylenchulus semipenetrans 1 (1994) (0)
Research Papers: Effect of Meloidogyne incognita and M. javanica on the Growth of Two Flue-Cured Tobacco Cultivars (1977) (0)
Mixed Model Analysis of Data : Transition from GLM to MIXED (2010) (0)
Handbook on gopher tortoise: health evaluation procedures for use by land managers and researchers (2009) (0)
A procedure to compare treatment effects on milk somatic cell counts (SCC) using a peak evaluation algorithm to calculate incidence rates of inflammation events. (1990) (0)
Statistics , Data Analysis , and Modeling ANALYSIS OF UNBALANCED MIXED MODEL DATA (2010) (0)
Predicted Values and Residuals from Data Sets Containing Classification Variables with Large Numbers of Levels (2018) (0)
Robust parametric confidence bands for distribution functions (1992) (0)
Regional Conference on the Analysis of the Unbalanced Mixed Model. (1987) (0)
Inhibition of Copper-Associated Erythrocyte Ghost Membrane Lipid Peroxidation by Hepatic Cytosolic Low Molecular Weight Proteins (1991) (0)

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University of Florida

Ramon C. Littell's Academic­Influence.com Rankings