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J. Martin van Zyl
J. Martin van Zyl
Verified email at ufs.ac.za
Title
Cited by
Cited by
Year
On the distribution of the maximum likelihood estimator of Cronbach's alpha
JM van Zyl, H Neudecker, DG Nel
Psychometrika 65, 271-280, 2000
1742000
Preoperative nutritional status and prognostic nutritional index in patients with benign disease undergoing abdominal operations–Part II
CJ Dannhauser, A., Van Zyl, J.M. & Nel
Journal of the American College of Nutrition 14 (1), 91- 98, 1995
66*1995
Evaluation of mathematic models to assess platelet kinetics
MG Lötter, AP Heyns, PN Badenhorst, P Wessels, JM Van Zyl, HF Kotze, ...
Journal of nuclear medicine 27 (7), 1192-1201, 1986
561986
A computer program in compiled BASIC for the IBM personal computer to calculate the mean platelet survival time with the multiple-hit and weighted mean methods
MG Lötter, WR Rabe, JM Van Zyl, AP Heyns, P Wessels, HF Kotze, ...
Computers in biology and medicine 18 (4), 305-315, 1988
501988
Parameter estimation through weighted least-squares rank regression with specific reference to the Weibull and Gumbel distributions
JM van Zyl, R Schall
Communications in Statistics-Simulation and Computation 41 (9), 1654-1666, 2012
282012
Spatial distribution of the Karoo paralysis tickIxodes rubicundus (Acari: Ixodidae) within a false upper Karoo veld type
LJ Fourie, OB Kok, JM Van Zyl
Experimental & applied acarology 11 (1), 37-49, 1991
261991
The appetence behaviour of two South African paralysis-inducing ixodid ticks
LJ Fourie, A Snyman, DJ Kok, IG Horak, JM Van Zyl
Experimental & applied acarology 17, 921-930, 1993
231993
Interspecific variations in attachment sites and density assessment in femaleIxodes rubicundus (Acari: Ixodidae) on domestic and natural hosts
LJ Fourie, JM van Zyl
Experimental & applied acarology 13 (1), 1-10, 1991
211991
Seasonal occurrence of Karoo paralysis in Angora goats in relation to the infestation density of female Ixodes rubicundus
LJ Fourie, IG Horak, JM Van Zyl
Veterinary Parasitology 41 (3-4), 249-254, 1992
181992
Sites of attachment and intraspecific infestation densities of the brown paralysis tick (Rhipicephalus punctatus) on Angora goats
LJ Fourie, IG Horak, JM Van Zyl
Experimental & applied acarology 12, 243-249, 1991
161991
Estimation of the shape parameter of a generalized Pareto distribution based on a transformation to Pareto distributed variables
JM Van Zyl
Journal of Statistical Theory and Practice 9, 171-183, 2015
122015
A median regression model to estimate the parameters of the three-parameter generalized Pareto distribution
JM Van Zyl
Communications in Statistics-Simulation and Computation 41 (4), 544-553, 2012
122012
Arthropod parasites of impalas in the Kruger National Park with particular reference to ticks
IG Horak, LJ Fourie, JM Van Zyl
South African Journal of Wildlife Research-24-month delayed open access 25 …, 1995
121995
Application of the kolmogorov–smirnov test to estimate the threshold when estimating the extreme value index
JM van Zyl
Communications in Statistics—Simulation and Computation® 40 (2), 199-207, 2011
112011
Multi-Bayesian estimation theory
DJ de Waal, PCN Groenewald, JM van Zyl, JV Zidek
Statistics& Decisions 4, 1 -18, 1986
9*1986
Equations to calculate the approximate duration and termination of the maximal rate phase of nitrification in soil
DJ Laubscher, JM Van Zyl, CC Du Preez
Communications in soil science and plant analysis 21 (7-8), 611-621, 1990
71990
Patterns of non-starter microflora during ripening of selected South African Cheddar cheeses manufactured by the open-vat procedure
JFR Lues, EJ Smit, JM Van Zyl
Food microbiology 16 (6), 645-651, 1999
61999
The performance of univariate goodness-of-fit tests for normality based on the empirical characteristic function in large samples
JM van Zyl
Communications in Statistics-Simulation and Computation 47 (4), 1146-1156, 2018
52018
Exact expressions for the weights used in least-squares regression estimation for the log-logistic and Weibull distribution
JM van Zyl
Communications in Statistics-Theory and Methods 46 (4), 1720-1730, 2017
42017
The generalized Pareto distribution fitted to research outputs of countries
JM van Zyl
Scientometrics 94, 1099-1109, 2013
42013
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