Description Usage Format Source Examples
Same data as in rpart:
The solder
data frame has 720 rows and 6 columns, representing
a balanced subset of a designed experiment varying 5 factors on the
soldering of components on printed-circuit boards.
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This data frame contains the following columns:
Opening
a factor with levels
L
M
S
indicating the amount of clearance around the mounting pad.
Solder
a factor with levels
Thick
Thin
giving the thickness of the solder used.
Mask
a factor with levels
A1.5
A3
B3
B6
indicating the type and thickness of mask used.
PadType
a factor with levels
D4
D6
D7
L4
L6
L7
L8
L9
W4
W9
giving the size and geometry of the mounting pad.
Panel
1:3
indicating the panel on a board being tested.
skips
a numeric vector giving the number of visible solder skips.
John M. Chambers and Trevor J. Hastie eds. (1992) Statistical Models in S, Wadsworth and Brooks/Cole, Pacific Grove, CA 1992.
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