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EngrExpt (version 0.1-8)
Data sets from "Introductory Statistics for Engineering Experimentation"
Description
Datasets from Nelson, Coffin and Copeland "Introductory Statistics for Engineering Experimentation" (Elsevier, 2003) with sample code.
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Version
0.1-8
0.1-6
0.1-5
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Install
install.packages('EngrExpt')
Monthly Downloads
188
Version
0.1-8
License
GPL (>= 2)
Maintainer
Douglas Bates
Last Published
October 29th, 2012
Functions in EngrExpt (0.1-8)
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pigment
Yellowing of paint for different pigments
computer
Repair time of computers
cure
Yield from a chemical curing process
fillweight
Fill weight by batch
dhaze
Haze of lenses after abrasion
labcomp
Inter-lab study
stab
Stability of a chemical product
cheese
Percentage fat in cheese
safety
Safety violations over time
assay
Yield from two processes
railcar
Rail car hold times
temprate
Effect of water bath on moisture content
drums
Weights of drums before and after filling
moisture
Moisture content of a silica product
diameter
Diameter of product
bacteria
Bacteria count in water samples
fluoride
Fluoride levels from water sources
chemreac
Yield of a chemical reaction
absorb
Oil absorption of silica
bath
Electrical resistance after water bath
diagnostic
Consistency of diagnostic kits
applicat
Application of powder coating
caliper
Diameters of rods measured by two calipers
curl
Curl of transparencies
fish
Toxin concentrations in fish by site
reflect
Anti-reflective coating measurements
odor
Odor, yellowing and hardness of optical coating
urine
Mercury level in employee urine samples
exposure
Appearance of panels after exposure to weather
calcium
Calcium levels before and after taking vitamin
bright
Brightness of de-inked newspaper
vitamin
Calcium levels before and after vitamin supplement
deink2
De-inking of newsprint
ph
pH measurements in a chemical process
water
Bacteria concentrations in water samples
drought
Water usage in 2001 and 2002
epoxy
Effect of epoxy level on appearance
stretch
Stretch of hot pizza cheese
phmeas
Comparison of instruments to measure pH
cement
Drying times of concrete
alum
Aluminum impurity amounts
wash
Appearance of washed and unwashed panels
separate
Electrical resistance of battery separators
oven
Drying of silica
surfarea
Surface area of silica
lwsw
Appearance measures of automotive paints
weight
Weight plastic bags held before breaking
uvcoatin
Comparison of eyeglass ultra-violet coatings
ratings2
Product ratings and moisture content
timetemp
Time to nominal temperature
yellow
Initial and 1 month color measure of coated lens
thinfilm
Strength of thin film coatings
battery
Battery lifetime in laptop computers
adhesion
Adhesive qualities of a lens coating
yield
Yield of a chemical process
dry
Moisture content after drying
tennis
Durability of tennis ball covers
sarea
Surface area of silica
ratings
Ratings of raw materials
sales
Sales versus capital expenditure
soap
Soap sales by packaging type
viscosity
Time to gelling of paint samples
tensile
Tensile breaking strength of steel samples
webvisit
Web site visits over a 3-week period
fbuild
Appearance for film builds
ccthickn
Clear coat thickness
gloss
Gloss of paint on cars
mw
Appearance measure of paint
whitearea
Comparison of mixing processes
railcar3
Moisture level versus type of rail car
fill
Fill amount in tamped cylinders
deink
De-inking of newsprint
webtraff
Web site traffic during a marketing campaign
defoam
Height of solution with defoamer
uvoven
UV absorbance for lens cured in different ovens
purity
Purity of product from a filtration process
tablets
Lifetime of chlorine tablets
lw
Automotive paint formulation
tpaste
Turbidity of a toothpaste formulation
protein
Assay of protein in blood