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» John Collins
John Collins
Professor Emeritus
Statistics and Actuarial Science
+1 (403) 220-3960
Mathematical Sciences 477
collins@ucalgary.ca
Office Hours
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
10a‑11a
-
1p‑2p
-
-
-
-
Research Interests
Robust estimation theory for location, scale and regression models
Minimax asymptotic variance theory
Global bounds on asymptotic bias and gross errors sensitivity
Currently Teaching
Not currently teaching any courses.
view past courses
Publications
Journal Article
Szatmari-Voicu, D. and Collins, John
.
"
M-estimators of scale with minimum gross errors sensitivity.
"
. Communications in Statistics: Theory and Methods
36.11 (2007): 2037-2048. Print.
Collins, John and Szatmari-Voicu, Daniela
.
"
Maximal asymptotic biases of M-estimators of location with preliminary scale estimates
"
. Communications in Statistics. Theory and Methods
33.8 (2004): 1877 - 1886.. Print.
Collins, John
.
"
Bias-robust L-estimators of a scale parameter
"
. Statistics. A Journal of Theoretical and Applied Statistics
37.4 (2003): 287 - 303.. Print.
Collins, John
.
"
Robustness comparisons of some classes of location parameter estimators
"
. Annals of the Institute of Statistical Mathematics
52.2 (2000): 351 - 366.. Print.
Collins, John
.
"
Robust M-estimators of scale: Minimax bias versus maximal variance
"
. Canadian Journal of Statistics
27.1 (1999): 81 - 96.. Print.
Collins, John and Wu, Boll
.
"
Comparisons of asymptotic biases and variances of M-estimators of scale under asymmetric contamination.
"
. Communications in Statistics: Theory and Methods
27.7 (1998): 1791 - 1810.. Print.
Collins, John and Liu, Shawn
.
"
Asymptotic relative efficiency comparisons for some robust location estimators.
"
. Communications in Statistics. Theory and Methods
25.1 (1996): 63 - 82.. Print.
Collins, John
.
"
Maximal asymptotic biases and variances of symmetrized interquantile ranges under asymmetric contamination.
"
. Statistics. A Journal of Theoretical and Applied Statistics
22.3 (1991): 379 -402.. Print.
Collins, John and Wiens, Douglas
.
"
Minimax properties of M-, R-, and L-estimators of location in Levy neighborhoods.
"
. Annals of Statistics
17.1 (1989): 327 - 336.. Print.
Collins, John, Sheahan, J. N. and Zheng, Z.
.
"
Robust estimation in the linear model with asymmetric error distributions.
"
.
Journal of Multivariate Analysis
20.2 (1986): 220 - 243.. Print.
Collins, John
.
"
Maximal asymptotic variances of trimmed means under asymmetric contamination.
"
. Annals of Statistics
14.1 (1986): 348 -354.. Print.
Collins, John and Wiens, Douglas
.
"
Minimax variance M-estimators in epsilon-contaminated models.
"
. Annals of Statistics
13.3 (1985): 1078 - 1096.. Print.
Collins, John
.
"
On the minimax property for R-estimators of location.
"
. Annals of Statistics
11.4 (1983): 1190 - 1195.. Print.
Bickel, P. J. and Collins, John
.
"
Minimizing Fisher information over mixtures of distributions.
"
. Sankhya, Ser. A
45.1 (1983): 1 - 19.. Print.
Collins, John
.
"
Robust M-estimators of location vectors.
"
.
Journal of Multivariate Analysis
12.4 (1982): 480 -492.. Print.
Collins, John and Portnoy, Stephen L.
.
"
Maximizing the variance of M-estimators using the generalized method of moment spaces.
"
. Annals of Statistics
9.3 (1981): 567 - 577.. Print.
Collins, John
.
"
Upper bounds on asymptotic variances of M-estimators of location.
"
. Annals of Statistics
5.4 (1977): 646 - 657.. Print.
Collins, John
.
"
Robust estimation of a location parameter in the presence of asymmetry.
"
. Annals of Statistics
4.1 (1976): 68 -85.. Print.
Schafer, R. E., Finkelstein, J. M. and Collins, John
.
"
On a goodness of fit test for the exponential distribution.
"
.
Biometrika
59.1 (1972): 222 - 224.. Print.
Courses
Degrees
PhD
University of California at Berkeley
, 1973
MSc
University of Southern California
, 1968
BSc
University of California at Los Angeles
, 1966
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