| DFlandy01 {shotGroups} | R Documentation |
Combined bullet hole data
Description
Example of a data frame from one file with one group of bullet holes.
Usage
data(DFlandy01)
Format
A data frame with 530 observations on the following 15 variables.
groupa numerical vector with group numbers 1 to 53.
distancea numerical vector giving the distance to the target.
aim.xa numerical vector of x-coordinates giving the point of aim.
aim.ya numerical vector of y-coordinates giving the of point of aim.
point.xa numerical vector of absolute x-coordinates of bullet holes.
point.ya numerical vector of absolute y-coordinates of bullet holes.
ammunitiona character vector giving ammunition and lot number.
velocitya numerical vector of chronograph readings in ft/s.
controlundocumented.
phase1undocumented.
phase2undocumented.
filea character vector with the original file name.
groupVerba character vector designating the group by combining the original file name and ammunition.
seriesa character vector that codes each separate group in an alternative way.
seriesNumlike
seriesbut numeric.distance.unitMeasurement unit distance to target
point.unitMeasurement unit (x,y)-coordinates
Details
53 groups with 10 shots each of .22LR shot at Eley test center on Oct 2 2016 using a Stiller 2500X action at a distance of 50m. The measurement unit for coordinates is mm, for distance m.
This data frame is like those returned by readDataOT1, readDataOT2, or readDataMisc with option combine=TRUE.
Data courtesy of Larry Landercasper, 2017. Analyzed by Albert Highe.
See Also
combineData,
analyzeGroup,
compareGroups
Examples
data(DFlandy01)
str(DFlandy01)