ATT ran an experiment varying five factors
relevant to a wave-soldering procedure for mounting components on
printed circuit boards. The response variable, skips, is a count of
how many solder skips appeared to a visual inspection.
Usage
data(solder)
Arguments
Format
A data frame with 900 observations on the following 6 variables.
Opening
a factor with levels LMS
Solder
a factor with levels ThickThin
Mask
a factor with levels A1.5A3A6B3B6
PadType
a factor with levels D4D6D7L4L6L7L8L9W4W9
Panel
a numeric vector
skips
count of how many solder skips appeared to a visual inspection