R: Data sets from "Introductory Statistics for Engineering Experimentation"

# Data sets from "Introductory Statistics for Engineering Experimentation"

## Documentation for package ‘EngrExpt’ version 0.1-8

- DESCRIPTION file.

## Help Pages

absorb | Oil absorption of silica
adhesion | Adhesive qualities of a lens coating
adhesion2 | Adhesive qualities of a lens coating
alum | Aluminum impurity amounts
applicat | Application of powder coating
assay | Yield from two processes
bacteria | Bacteria count in water samples
bath | Electrical resistance after water bath
battery | Battery lifetime in laptop computers
bright | Brightness of de-inked newspaper
calcium | Calcium levels before and after taking vitamin
caliper | Diameters of rods measured by two calipers
ccthickn | Clear coat thickness
cement | Drying times of concrete
cheese | Percentage fat in cheese
chemreac | Yield of a chemical reaction
computer | Repair time of computers
cure | Yield from a chemical curing process
curl | Curl of transparencies
defoam | Height of solution with defoamer
deink | De-inking of newsprint
deink2 | De-inking of newsprint
dhaze | Haze of lenses after abrasion
diagnostic | Consistency of diagnostic kits
diameter | Diameter of product
drought | Water usage in 2001 and 2002
drums | Weights of drums before and after filling
dry | Moisture content after drying
epoxy | Effect of epoxy level on appearance
exposure | Appearance of panels after exposure to weather
fbuild | Appearance for film builds
fill | Fill amount in tamped cylinders
fillweight | Fill weight by batch
fish | Toxin concentrations in fish by site
fish2 | Toxin concentrations in fish by site
fluoride | Fluoride levels from water sources
gloss | Gloss of paint on cars
labcomp | Inter-lab study
lw | Automotive paint formulation
lwsw | Appearance measures of automotive paints
moisture | Moisture content of a silica product
mw | Appearance measure of paint
odor | Odor, yellowing and hardness of optical coating
oven | Drying of silica
ph | pH measurements in a chemical process
phmeas | Comparison of instruments to measure pH
pigment | Yellowing of paint for different pigments
protein | Assay of protein in blood
purity | Purity of product from a filtration process
railcar | Rail car hold times
railcar2 | Rail car hold times
railcar3 | Moisture level versus type of rail car
ratings | Ratings of raw materials
ratings2 | Product ratings and moisture content
reflect | Anti-reflective coating measurements
safety | Safety violations over time
sales | Sales versus capital expenditure
sarea | Surface area of silica
separate | Electrical resistance of battery separators
soap | Soap sales by packaging type
stab | Stability of a chemical product
stretch | Stretch of hot pizza cheese
surfarea | Surface area of silica
tablets | Lifetime of chlorine tablets
temprate | Effect of water bath on moisture content
tennis | Durability of tennis ball covers
tensile | Tensile breaking strength of steel samples
thinfilm | Strength of thin film coatings
timetemp | Time to nominal temperature
tpaste | Turbidity of a toothpaste formulation
urine | Mercury level in employee urine samples
uvcoatin | Comparison of eyeglass ultra-violet coatings
uvoven | UV absorbance for lens cured in different ovens
viscosity | Time to gelling of paint samples
vitamin | Calcium levels before and after vitamin supplement
wash | Appearance of washed and unwashed panels
water | Bacteria concentrations in water samples
webtraff | Web site traffic during a marketing campaign
webvisit | Web site visits over a 3-week period
weight | Weight plastic bags held before breaking
whitearea | Comparison of mixing processes
yellow | Initial and 1 month color measure of coated lens
yield | Yield of a chemical process