Research Output 1969 2020

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1969

On the Distribution and Power of a Test for a Single Outlier

Hawkins, D. M., 1969, In : South African Statistical Journal. 3, p. 9-15

Research output: Contribution to journalArticle

1970

A Problem in Fitting a Circle

Hawkins, D. M., 1970, In : South African Journal of Science. 66, p. 271-273

Research output: Contribution to journalArticle

33 Citations (Scopus)

Hepatic storage iron concentrations in different population groups.

Charlton, R. W., Hawkins, D. M., Mavor, W. O. & Bothwell, T. H., Mar 1 1970, In : American Journal of Clinical Nutrition. 23, 3, p. 358-370 13 p.

Research output: Contribution to journalArticle

wounds and injuries
Hypochromic Anemia
Sex Factors
menopause
preschool children
1971
15 Citations (Scopus)

On the bounds of the range of order statistics

Hawkins, D. M., 1971, In : Journal of the American Statistical Association. 66, 335, p. 644-645 2 p.

Research output: Contribution to journalArticle

Order Statistics
Range of data
Order statistics
1972

Analysis of a Slippage Test for the Chisquared Distribution

Hawkins, D. M., 1972, In : South African Statistical Journal. 6, p. 11-17

Research output: Contribution to journalArticle

Bayes estimation of the mixing distribution, the discrete case

Meeden, G. D., 1972, In : Annals of Mathematical Statistics. 43, p. 96-100

Research output: Contribution to journalArticle

3 Citations (Scopus)
Biometry
Population Genetics
Haploidy
Finite Population
Homozygote
8 Citations (Scopus)

Inverse binomial sampling as a basis for estimating negative binomial population densities.

Gerrard, D. J. & Cook, R. D., Jan 1 1972, In : Biometrics. 28, 4, p. 971-980 10 p.

Research output: Contribution to journalArticle

Bacteriological Techniques
Negative Binomial
Analysis of variance
Analysis of variance (ANOVA)
Population Density
22 Citations (Scopus)

On the choice of segments in piecewise approximation

Hawkins, D. M., Apr 1 1972, In : IMA Journal of Applied Mathematics (Institute of Mathematics and Its Applications). 9, 2, p. 250-256 7 p.

Research output: Contribution to journalArticle

Composite materials
Approximation
Composite function
Concave function
Error function
1 Citation (Scopus)

Probability of ultimate survival of a newly occurred inversion in natural populations

Cook, R. D. & Nassar, R. F., Jan 1 1972, In : Theoretical And Applied Genetics. 42, 8, p. 368-370 3 p.

Research output: Contribution to journalArticle

Heterozygote
heterozygosity
Poisson Distribution
Population

Some admissible empirical Bayes procedures

Meeden, G. D., 1972, In : Annals of Mathematical Statistics. 43, p. 96-101

Research output: Contribution to journalArticle

1973

An Analysis of an International Set of Share Indices

Hawkins, D. M. & Jammine, A. P., 1973, In : The Investment Analysts Journal. 3, p. 24-27

Research output: Contribution to journalArticle

1 Citation (Scopus)

A truncated sequential procedure for determining somatic cell count of milk by the strip method

Ginn, R. E., Packard, V. S. & Cook, R. D., Jan 1 1973, In : J.MILK FOOD TECHNOL.. 36, 9, p. 478-481 4 p.

Research output: Contribution to journalArticle

somatic cell count
Milk
Cell Count
milk
Reproducibility of Results
31 Citations (Scopus)

Balanced polymorphisms of quasineutral alleles

Hartl, D. L. & Cook, R. D., Jan 1 1973, In : Theoretical Population Biology. 4, 2, p. 163-172 10 p.

Research output: Contribution to journalArticle

allele
polymorphism
genotype
Alleles
Genotype

Drugs for angina pectoris.

Polakow, E. S. & Hawkins, D. M., Jul 21 1973, In : British Medical Journal. 3, 5872, 1 p.

Research output: Contribution to journalArticle

Isosorbide Dinitrate
Nitroglycerin
Angina Pectoris
Verapamil
Propranolol
1 Citation (Scopus)
Stochastic Processes
stochastic processes
Population Dynamics
Population Density
Alleles
14 Citations (Scopus)

Frequency dependent selection at the Payne inversion in Drosophila melanogaster

Nassar, R., Muhs, H. J. & Cook, R. D., Jan 1 1973, In : Evolution. 27, 4, p. 558-564 7 p.

Research output: Contribution to journalArticle

Drosophila melanogaster
inversion
64 Citations (Scopus)

ON THE INVESTIGATION OF ALTERNATIVE REGRESSIONS BY PRINCIPAL COMPONENT ANALYSIS.

Hawkins, D. M., Jan 1 1973, In : Journal of Applied Statistics. 22, 3, p. 275-286 12 p.

Research output: Contribution to journalArticle

Principal Components
Principal Component Analysis
Regression
Alternatives
Multiple Regression
52 Citations (Scopus)

Optimal zonation of digitized sequential data

Hawkins, D. M. & Merriam, D. F., Dec 1 1973, In : Journal of the International Association for Mathematical Geology. 5, 4, p. 389-395 7 p.

Research output: Contribution to journalArticle

zonation
5 Citations (Scopus)

Repeated testing for outliers

Hawkins, D. M., 1973, In : Statistica Neerlandica. 27, 1, p. 1-10 10 p.

Research output: Contribution to journalArticle

Outlier
Testing
Type I error
Masking
Error Probability
10 Citations (Scopus)

Use of discriminant analysis for classification of strata in sedimentary successions

Hawkins, D. M. & Rasmussen, S. E., Jun 1 1973, In : Journal of the International Association for Mathematical Geology. 5, 2, p. 163-177 15 p.

Research output: Contribution to journalArticle

neutron activation analysis
discriminant analysis
Discriminant Analysis
Chip
Neutron
1974
5 Citations (Scopus)

A method for the statistical analysis of dual labeled isotope polypeptides separated by gel electrophoresis

Weisberg, S., 1974, In : Analytical Biochemistry. 61, 2, p. 328-335 8 p.

Research output: Contribution to journalArticle

Electrophoresis
Isotopes
Statistical methods
Gels
Peptides

A model for quadrant sampling with ‘visibility bias’

Cook, R. D. & Martin, F. B., 1974, In : Journal of the American Statistical Association. 69, p. 345-349

Research output: Contribution to journalArticle

18 Citations (Scopus)

A model for quadrat sampling with “visibility bias”

Cook, R. D. & Martin, F. B., Jan 1 1974, In : Journal of the American Statistical Association. 69, 346, p. 345-349 5 p.

Research output: Contribution to journalArticle

Visibility
Census
Animals
Power Series Distributions
Maximum Likelihood Estimate

An Empirical Comparison of the Cumulative Distributions of W and W0

Weisberg, S., 1974, In : Biometrika. 61, p. 644-646

Research output: Contribution to journalArticle

7 Citations (Scopus)

An empirical comparison of the percentage points of w and w'

Weisberg, S., Dec 1 1974, In : Biometrika. 61, 3, p. 644-646 3 p.

Research output: Contribution to journalArticle

Francium
Test of Normality
Percentage Points
Normality
francium
2 Citations (Scopus)

A note on the distribution of times reported by a low resolution interval timer

Hawkins, D. M., Jan 1 1974, In : American Statistician. 28, 2, p. 56-57 2 p.

Research output: Contribution to journalArticle

Interval

A note on the estimation of individual admixture

Cook, R. D. & Weisberg, S., 1974, In : Annals of Human Genetics. 37, 3, p. 355-358 4 p.

Research output: Contribution to journalArticle

Likelihood Functions
Population

A simplified procedure for confirming somatic cell counts of milk by the strip method

Packard, V. S., Ginn, R. E., Cook, R. D. & Arledge, W., Jan 1 1974, In : J.MILK FOOD TECHNOL.. 37, 8, p. 411-413 3 p.

Research output: Contribution to journalArticle

somatic cell count
Milk
Cell Count
milk
somatic cells
8 Citations (Scopus)

Autocorrelated random environments and their effects on gene frequency

Hartl, D. L. & Cook, R. D., Jan 1 1974, In : Evolution. 28, 2, p. 275-280 6 p.

Research output: Contribution to journalArticle

Gene Frequency
gene frequency
gene
effect

Choosing a prior for a binomial testing problem with incomplete knowledge

Meeden, G., 1974, In : Journal of the American Statistical Association. 69, 347, p. 740-743 4 p.

Research output: Contribution to journalArticle

Equivalence class
Testing
Prior distribution
Partial
Knowledge

Computer-Aided Study for Prediction of Lymph Node Metastases from Oral Squamous Carcinoma

Hawkins, D. M., Shear, M. & Farr, H. W., 1974, In : Journal of Dental Research. 53, p. 720

Research output: Contribution to journalArticle

Computing Mean Vectors and Dispersion Matrices in Multivariate Analysis of Variance

Hawkins, D. M., 1974, In : Applied Statistics. 23, p. 234-238

Research output: Contribution to journalArticle

Effect of Exogenous Oestrogens on Minor Psychiatric Symptoms in Postmenopausal Women

Hawkins, D. M. & Polakow, E. S., 1974, In : South African Medical Journal. 48, p. 620

Research output: Contribution to journalArticle

Frequency–dependent selection at the Payne inversion in Drosophila melanogaster

Cook, R. D., Nassar, R. F. & Muhs, H., 1974, In : Evolution. 27, p. 558-564

Research output: Contribution to journalArticle

2 Citations (Scopus)

Letter: Effect of exogenous oestrogens on minor psychiatric symptoms in postmenopausal women.

Hawkins, D. M. & Polakow, E. S., Mar 30 1974, In : South African Medical Journal. 48, 15, 1 p.

Research output: Contribution to journalArticle

Conjugated (USP) Estrogens
Castration
Menopause
Mental Disorders
Psychiatry
6 Citations (Scopus)

Observer variation in radiological assessment of pulmonary vasculature

Weitzman, S., Pocock, W. A., Hawkins, D. M. & Barlow, J. B., Jan 1 1974, In : British heart journal. 36, 3, p. 280-290 11 p.

Research output: Contribution to journalArticle

Observer Variation
Lung
Thorax
Pulmonary Hypertension
Eisenmenger Complex

Review of Statistical Methods for Rates and Proportions, by J. Fleiss

Weisberg, S., 1974, In : Journal of the American Statistical Association. 69, p. 581

Research output: Contribution to journalArticle

The Behaviour of Some Share Indices: A Statistical Analysis

Hawkins, D. M. & Jammine, A. P., 1974, In : South African Journal of Economics. 42, p. 43-55

Research output: Contribution to journalArticle

54 Citations (Scopus)

The detection of errors in multivariate data using principal components

Hawkins, D. M., 1974, In : Journal of the American Statistical Association. 69, 346, p. 340-344 5 p.

Research output: Contribution to journalArticle

Multivariate Data
Principal Components
Principal Component Analysis
Statistics
Multivariate Normal Distribution
2 Citations (Scopus)

Ultimate probability of fixation and time to fixation or loss of a gene under a variable fitness model

Nassar, R. F. & Cook, R. D., Jan 1 1974, In : Theoretical and Applied Genetics. 44, 6, p. 247-254 8 p.

Research output: Contribution to journalArticle

selection intensity
Haploidy
Diploidy
haploidy
dominance (genetics)
9 Citations (Scopus)

Uncorrelated random environments and their effects on gene frequency

Cook, R. D. & Hartl, D. L., Jan 1 1974, In : Evolution. 28, 2, p. 265-274 10 p.

Research output: Contribution to journalArticle

Gene Frequency
gene frequency
gene
effect

Use of multivariate statistical methods in data-base maintenance

Hawkins, D. M. & Kew, D. S., Mar 1 1974, In : Journal of the International Association for Mathematical Geology. 6, 1, p. 47-57 11 p.

Research output: Contribution to journalArticle

coal mining
Statistical method
Maintenance
Large Data
Mining

Use of Regression on Egg and First Instar Samples of the Yellow Headed Spruce Sawfly on White Spruce

Weisberg, S., Houseweart, M. W., VanDerwerker, G. K. & Kulman, H. M., 1974, In : Annals of the Entomological Society of America. 67, p. 887-890

Research output: Contribution to journalArticle

43 Citations (Scopus)

Zonation of multivariate sequences of digitized geologic data

Hawkins, D. M. & Merriam, D. F., Sep 1 1974, In : Journal of the International Association for Mathematical Geology. 6, 3, p. 263-269 7 p.

Research output: Contribution to journalArticle

zonation
1975
38 Citations (Scopus)

An approximate analysis of variance test for non-normality suitable for machine calculation

Weisberg, S. & Bingham, C., Feb 1975, In : Technometrics. 17, 1, p. 133-134 2 p.

Research output: Contribution to journalArticle

Non-normality
Analysis of variance
Analysis of variance (ANOVA)
Statistics
Percentage Points