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Date Name Thumbnail Size User Description Versions
13:57, 21 March 2017 1000Shots.png (file) 61 KB David   2
11:05, 13 December 2013 22LR CCI 40gr HV 40shot.png (file) 25 KB David Results of analysis in File:CCI 40gr HV 100yd.xlsx of 40 shots (across two strings) of 22LR CCI 40gr HV, adjusted for sample muzzle velocity dispersion. 1
09:59, 7 January 2014 2D ES Example.png (file) 14 KB David Example of two targets with the same Extreme Spread but different Mean Radius. 1
11:38, 18 November 2015 300BLK 220gr Factory Subsonic 100yd.xlsx (file) 34 KB David Corrected rank adjustment plot. 2
17:44, 3 February 2014 300BLK 225gr IMR4227 subsonic 100yd.xlsx (file) 27 KB David 300BLK Subsonic 60-shot 100-yard Example 1
17:33, 3 February 2014 300BLK Subsonic Handloads 100yds.png (file) 57 KB David 300BLK Subsonic 60-shot 100-yard Example 1
15:26, 2 January 2014 300BLK Subsonic Target w MV Adjustment.png (file) 22 KB David Overlay of two target series: 1 - Raw shots of 20 Subsonic Remington Express .300BLK rounds at 100 yards. 2 - Same shots adjusted by rank for measured muzzle velocity. See data in File:300BLK 220gr Factory Subsonic 100yd.xlsx. 1
12:42, 27 November 2013 3ShotSample.png (file) 22 KB David Sample 3-shot group with 1/2" extreme spread. Sample center is in red and is .29" from each shot. 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
11:02, 13 December 2013 40grCCI HV 100Yards String1.jpg (file) 575 KB David Sample target: 22LR CCI 40gr HV 20 shots at 100 yards 1
11:03, 13 December 2013 40grCCI HV 100Yards String2.jpg (file) 405 KB David Sample target: 22LR CCI 40gr HV 20 shots at 100 yards 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
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
16:33, 20 January 2014 AnglesCenter.jpg (file) 19 KB Armadillo   1
16:34, 20 January 2014 AnglesCircle.jpg (file) 21 KB Armadillo   1
16:34, 20 January 2014 AnglesCmp.jpg (file) 30 KB Armadillo   1
16:34, 20 January 2014 AnglesSit.jpg (file) 14 KB Armadillo   1
20:56, 21 February 2014 Approximate Distributions for Extreme Spread - Taylor 1975.pdf (file) 1.01 MB David   1
13:00, 30 May 2017 BallisticAccuracyClassification.xlsx (file) 42 KB David Converted to generalized sigma estimation formula for Independent Groups. 3
10:51, 18 December 2015 Bivariate.png (file) 342 KB Armadillo   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
15:08, 2 January 2014 CCI 40gr HV 100yd.xlsx (file) 34 KB David Precision analysis of sample targets Media:40grCCI HV 100Yards String1.jpg and Media:40grCCI HV 100Yards String2.jpg 3
22:41, 30 November 2013 ConfidenceIntervals.png (file) 28 KB David Confidence Intervals and Range as a function of sample size, holding sample radius constant. 1
18:11, 1 December 2013 Confidence Interval Convergence.xlsx (file) 140 KB David Source data for File:ConfidenceIntervals.png 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
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
18:54, 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
21:04, 7 June 2016 Ex0-1.png (file) 61 KB Louis Marked worst shots with red triangles 2
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
15:25, 30 November 2014 Extreme Spread Quantiles.xlsx (file) 163 KB David   3
11:38, 25 May 2014 Extreme Spread Relative Efficiency.png (file) 33 KB David Relative Efficiency of Extreme Spread estimation by group size. 1
18:47, 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
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
20:22, 23 November 2013 Is Group Size the Best Measure of Accuracy by J.E. Leslie III.pdf (file) 154 KB David ''Is "Group Size" the Best Measure of Accuracy'', John E. Leslie III, 1993 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
09:30, 5 June 2016 OrderStatisticsFig1.png (file) 56 KB Louis Order statistics examples, one shot in group 1
09:32, 5 June 2016 OrderStatisticsFig10.png (file) 102 KB Louis Order statistics examples, ten shots 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
14:14, 18 November 2013 PrecisionVsAccuracy.png (file) 12 KB David   1
14:18, 18 November 2013 PrecisionVsAccuracy2.png (file) 7 KB David   1
05:49, 11 December 2015 RadialErrorDistributions.jpg (file) 236 KB Armadillo   3
13:52, 27 November 2013 RadiusBounds.png (file) 21 KB David   2
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
16:19, 30 November 2014 RangeStatisticEstimation.xls (file) 59 KB David   3
17:47, 22 November 2013 RangeStatistics.png (file) 34 KB David Graph of data from Media:Sigma1RangeStatistics.xls -- median value with 50% bands for Extreme Spread, Diagonal, and Figure of Merit with sigma = 1, for shot groups of size 2 to 50. 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
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
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