DFlandy02 {shotGroups}

Combined bullet hole data

Description

Example of a data frame from one file with one group of bullet holes.

Usage

data(DFlandy02)

Format

A data frame with 100 observations on the following 12 variables.

group

a numerical vector with group numbers 1, 2.

distance

a numerical vector giving the distance to the target.

aim.x

a numerical vector of x-coordinates giving the point of aim.

aim.y

a numerical vector of y-coordinates giving the of point of aim.

point.x

a numerical vector of absolute x-coordinates of bullet holes.

point.y

a numerical vector of absolute y-coordinates of bullet holes.

ammunition

a character vector giving ammunition and lot number.

velocity

a numerical vector of chronograph readings in ft/s.

file

a character vector with the original file name.

groupVerb

a character vector designating the group by combining the original file name and ammunition.

series

a character vector that codes each separate group in an alternative way.

seriesNum

like series but numeric.

distance.unit

Measurement unit distance to target

point.unit

Measurement unit (x,y)-coordinates

Details

2 groups with 50 shots each of .22LR shot using a Stiller 2500X action at a distance of 50yd. The measurement unit for coordinates is inch, for distance yards. Group 1 is from the best of 3 lots, group 2 from worst of 3 lots.
This data frame is like those returned by readDataOT1, readDataOT2, or readDataMisc with option combine=TRUE.
Data courtesy of Larry Landercasper, 2017.

See Also

combineData, analyzeGroup, compareGroups

Examples

data(DFlandy02)
str(DFlandy02)