A data frame with the shared set of variables. In addition, it also contains factors identifying the original file (file
), and a factor identifying all groups from different data frames (series
).
…the shared set of variables from the the data frames in the list.
groupa factor that is the original group
variable as defined by OnTarget PC/TDS.
groupVerba factor that codes group with more descriptive levels taken from the original project title, file name and ammunition (if available).
filea factor that codes from which original file the data is.
seriesa factor that codes each separate group across original files.
seriesNuma factor that codes each separate group as a number that runs consecutively across original files.