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Date Name Thumbnail Size User Description Versions
16:43, 23 February 2014 Statistical Measures for Riflemen and Missile Engineers - Grubbs 1964.pdf (file) 2.83 MB David   1
20:25, 3 March 2014 Sitton 1990.pdf (file) 2.06 MB David ''Groups, Statistics, and Practical Facts'', G. Sitton, 1990. 1
21:02, 18 March 2014 RayleighEstimatorQuantiles.xls (file) 204 KB David Quantile functions and moments for the Rayleigh estimator on sample sizes from 2-50. Generated by Media:RayleighEstimatorQuantile.c 1
21:03, 18 March 2014 RayleighEstimatorQuantile.c (file) 5 KB David Simulate shots from a symmetric bivariate to calculate Rayleigh estimate of sigma and output quantile function (in steps of 0.5%) of estimated sigma for each sample size 2-50. 1
15:05, 3 May 2014 3ShotSighterError.png (file) 94 KB David Illustration of misses on a 99% target (i.e., a target big enough that 99% of shots fired from a perfectly-sighted gun should hit it), produced by the sighting error expected from using a 3-shot sighter group. 1
11:38, 25 May 2014 Extreme Spread Relative Efficiency.png (file) 33 KB David Relative Efficiency of Extreme Spread estimation by group size. 1
18:54, 2 June 2014 DanielsonExample.xlsx (file) 14 KB David Small error fix. 2
15:24, 30 November 2014 ES Quantiles.c (file) 4 KB David   2
15:25, 30 November 2014 Extreme Spread Quantiles.xlsx (file) 163 KB David   3
16:19, 30 November 2014 RangeStatisticEstimation.xls (file) 59 KB David   3
16:19, 30 November 2014 Sigma1RangeStatistics.xls (file) 95 KB David   3
16:20, 30 November 2014 SymBiSampleRanges.c (file) 6 KB David   2
18:04, 30 November 2014 SymmetricBivariate.c (file) 11 KB David   4
18:04, 30 November 2014 Sigma1ShotStatistics.ods (file) 20 KB David   2
01:23, 6 June 2015 Bullseye.jpg (file) 117 KB Herb Used as a warning symbol in upper left of "table" used to outline the point. 1
16:16, 8 June 2015 Raleigh.jpg (file) 33 KB Herb Shot a radial shot pattern around the COI. Ideally the COI would be at the POA. 1
20:27, 8 June 2015 Covering circle.jpg (file) 72 KB Herb Red circles have a radius equal to the distance between A and B. Points in green region are: * Outside circle that has AB as a diameter * Closer to A than B * Closer to B than A 1
18:06, 9 June 2015 800px-Linear regression.png (file) 31 KB Herb from wikipedia... http://commons.wikimedia.org/wiki/File:Linear_regression.svg 1
18:13, 9 June 2015 Linear least squares example.png (file) 24 KB Herb modified from wikipedia file. The data is the set of points marked by red dots. Blue line is least squares fit line. "Residuals" to fit shown in green. 1
19:00, 9 June 2015 Correlation coefficient.png (file) 9 KB Herb some examples of correlation coefficients. Image from Wikipedia. http://en.wikipedia.org/wiki/File:Correlation_coefficient.png 1
01:32, 11 June 2015 800px-Anscombe's quartet 3.png (file) 38 KB Herb The four sets of points, [http://en.wikipedia.org/wiki/Anscombe%27s_quartet Anscombe's quartet}, have the same fit line and the same coreelation coefficient. Image from Wikipedia. http://en.wikipedia.org/wiki/File:Anscombe%27s_quartet_3.svg 1
16:15, 11 June 2015 Hoyt.jpg (file) 34 KB Herb Shows distribution of shots around COI <math>\sigma_h \neq \sigma_v\text{, } \rho \neq 0<math 1
18:30, 11 June 2015 Rice.jpg (file) 30 KB Herb Rice distribution for distances to POA. Shots circular about COI, but each shot measured to offset POA. 1
11:38, 18 November 2015 300BLK 220gr Factory Subsonic 100yd.xlsx (file) 34 KB David Corrected rank adjustment plot. 2
05:49, 11 December 2015 RadialErrorDistributions.jpg (file) 236 KB Armadillo   3
10:51, 18 December 2015 Bivariate.png (file) 342 KB Armadillo   2
09:30, 5 June 2016 OrderStatisticsFig1.png (file) 56 KB Louis Order statistics examples, one shot in group 1
09:31, 5 June 2016 OrderStatisticsFig3.png (file) 73 KB Louis Order statistics examples, three shots in group 1
09:31, 5 June 2016 OrderStatisticsFig5.png (file) 83 KB Louis Order statistics examples, five shot in group 1
09:32, 5 June 2016 OrderStatisticsFig10.png (file) 102 KB Louis Order statistics examples, ten shots in group 1
20:01, 6 June 2016 Ex1-1.png (file) 150 KB Louis Monte-Carlo results of excluding worst shot 1
20:02, 6 June 2016 Ex2-1.png (file) 157 KB Louis Monte-Carlo results of excluding worst shot (contaminated normal) 1
21:04, 7 June 2016 Ex0-1.png (file) 61 KB Louis Marked worst shots with red triangles 2
18:46, 15 March 2017 UncoatedFired.jpg (file) 1.27 MB David Micrograph of a fired copper-jacketed bullet. Shown is the beginning of one groove at the bullet's ogive. 1
18:47, 15 March 2017 HBNfired.jpg (file) 1.32 MB David Micrograph of a fired copper-jacketed bullet that was impact-plated with hBN (which appears in black). Shown is the beginning of one groove at the bullet's ogive. 1
13:57, 21 March 2017 1000Shots.png (file) 61 KB David   2
13:00, 30 May 2017 BallisticAccuracyClassification.xlsx (file) 42 KB David Converted to generalized sigma estimation formula for Independent Groups. 3
17:04, 15 May 2023 Simplified Estimates for the Exponential Distribution.pdf (file) 1.24 MB David Sarhan, A. E., Greenberg, B. G., & Ogawa, J. (1963). Simplified Estimates for the Exponential Distribution. The Annals of Mathematical Statistics, 34(1), 102–116. 1
11:05, 16 May 2023 Order Statistics of Exponential Distribution in Censored Samples.pdf (file) 901 KB David A. K. Md. Ehsanes Saleh. (1967). "Determination of the Exact Optimum Order Statistics for Estimating the Parameters of the Exponential Distribution from Censored Samples." Technometrics, 9(2), 279–292. https://doi.org/10.2307/1266424 1
18:12, 18 May 2023 PrecisionVsAccuracy.png (file) 12 KB David Reverted to version as of 13:14, 18 November 2013 (EST) 3
18:13, 18 May 2023 Precision v Accuracy.png (file) 71 KB David   2
21:24, 22 May 2023 SighterGroup4.png (file) 33 KB David Sight alignment simulation with 19 shots from sigma=1, mu=0. 1
21:26, 22 May 2023 SighterGroup3.png (file) 36 KB David Sight alignment simulation with 9 shots from sigma=1, mu=0. 1
21:26, 22 May 2023 SighterGroup2.png (file) 37 KB David Sight alignment simulation with 6 shots from sigma=1, mu=0. 1
21:27, 22 May 2023 SighterGroup1.png (file) 51 KB David Sight alignment example with three shots. 1
14:45, 30 May 2023 10-shotOrderStatistics1.png (file) 58 KB David Sample target and calculation of sigma from order statistics on 10-shot group. 1
14:16, 2 June 2023 Gammon 2017 Shot Group Statistics.pdf (file) 4.69 MB David MARCORSYSCOM report by W. J. Gammon: "Shot Group Statistics for Small Arms Applications" 1
13:20, 26 July 2023 SymmetricBivariateSigma1.xls (file) 86 KB David Fixed Extreme Spread Mean and StDev 2
13:30, 26 July 2023 RangeStatistics.png (file) 318 KB David Corrected Extreme Spread values 2
16:23, 20 November 2023 Ellipse50CEP.png (file) 185 KB David 50% covering ellipse for gun with sigma(x, y) = (3, 1) 1
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