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Date Name Thumbnail Size User Description Versions
14:14, 18 November 2013 PrecisionVsAccuracy.png (file) 12 KB David   1
14:18, 18 November 2013 PrecisionVsAccuracy2.png (file) 7 KB David   1
16:04, 20 November 2013 SizeStatistics.png (file) 34 KB David Graph of data from File:Sigma1ShotStatistics.ods -- expected and standard deviation of values for Extreme Spread, Diagonal, and Figure of Merit with sigma = 1, for shot groups of size 2 to 50. 1
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
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
12:58, 25 November 2013 ShotStatWiki.png (file) 15 KB David Standard load development target. 1
13:36, 25 November 2013 Statistical Inference for Rayleigh Distributions - Siddiqui, 1964.pdf (file) 6.14 MB David Statistical Inference for Rayleigh Distributions, M. M. Siddiqui, 1964 1
14:47, 25 November 2013 Some Problems Connected With Rayleigh Distributions - Siddiqui 1961.pdf (file) 7.14 MB David Some Problems Connected With Rayleigh Distributions, M. M. Siddiqui, 1961. 1
20:11, 26 November 2013 RayleighProcess.png (file) 22 KB David Fixed CEP coefficient 2
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
13:52, 27 November 2013 RadiusBounds.png (file) 21 KB David   2
12:07, 28 November 2013 SymmetricBivariateSigma1.xls (file) 83 KB David Formatted output of Media:SymmetricBivariate.c with SIGMA set to 1.0 1
19:20, 30 November 2013 SCAR17 150gr 100yd.xls (file) 29 KB David Data and calculations for File:SCAR17 150gr 100yd.png. 1
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
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
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
14:06, 2 January 2014 SCAR17 150gr 100yd.png (file) 470 KB David Precision measures diagrammed on a 10-round group that was fired at 100 yards through a SCAR 17S. Data are in Media:SCAR17_150gr_100yd.xls. 4
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
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
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
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
15:58, 3 February 2014 TargetSubsonic.pdf (file) 235 KB David Category: Printable Targets Single high target to allow for significant vertical drop. 2
15:59, 3 February 2014 TargetDouble.pdf (file) 240 KB David Category: Printable Targets Printable double target. 2
16:00, 3 February 2014 TargetDoubleColor.pdf (file) 242 KB David Category: Printable Targets Color printable double target. 1
16:00, 3 February 2014 TargetSubsonicColor.pdf (file) 237 KB David Category: Printable Targets Color single high target to allow for significant vertical drop. 1
17:33, 3 February 2014 300BLK Subsonic Handloads 100yds.png (file) 57 KB David 300BLK Subsonic 60-shot 100-yard Example 1
17:44, 3 February 2014 300BLK 225gr IMR4227 subsonic 100yd.xlsx (file) 27 KB David 300BLK Subsonic 60-shot 100-yard Example 1
20:56, 21 February 2014 Approximate Distributions for Extreme Spread - Taylor 1975.pdf (file) 1.01 MB David   1
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
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