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EngrExpt (version 0.1-6)

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

Install

install.packages('EngrExpt')

Monthly Downloads

220

Version

0.1-6

License

GPL (>= 2)

Maintainer

Douglas Bates

Last Published

May 6th, 2009

Functions in EngrExpt (0.1-6)

odor

Odor, yellowing and hardness of optical coating
exposure

Appearance of panels after exposure to weather
cement

Drying times of concrete
epoxy

Effect of epoxy level on appearance
urine

Mercury level in employee urine samples
alum

Aluminum impurity amounts
stretch

Stretch of hot pizza cheese
drought

Water usage in 2001 and 2002
fill

Fill amount in tamped cylinders
cheese

Percentage fat in cheese
phmeas

Comparison of instruments to measure pH
labcomp

Inter-lab study
computer

Repair time of computers
applicat

Application of powder coating
fish

Toxin concentrations in fish by site
tpaste

Turbidity of a toothpaste formulation
yield

Yield of a chemical process
pigment

Yellowing of paint for different pigments
bright

Brightness of de-inked newspaper
dry

Moisture content after drying
diameter

Diameter of product
uvoven

UV absorbance for lens cured in different ovens
vitamin

Calcium levels before and after vitamin supplement
weight

Weight plastic bags held before breaking
ratings2

Product ratings and moisture content
chemreac

Yield of a chemical reaction
sales

Sales versus capital expenditure
separate

Electrical resistance of battery separators
ratings

Ratings of raw materials
calcium

Calcium levels before and after taking vitamin
assay

Yield from two processes
drums

Weights of drums before and after filling
sarea

Surface area of silica
ph

pH measurements in a chemical process
reflect

Anti-reflective coating measurements
gloss

Gloss of paint on cars
cure

Yield from a chemical curing process
deink2

De-inking of newsprint
battery

Battery lifetime in laptop computers
deink

De-inking of newsprint
defoam

Height of solution with defoamer
curl

Curl of transparencies
diagnostic

Consistency of diagnostic kits
tablets

Lifetime of chlorine tablets
caliper

Diameters of rods measured by two calipers
temprate

Effect of water bath on moisture content
surfarea

Surface area of silica
lw

Automotive paint formulation
uvcoatin

Comparison of eyeglass ultra-violet coatings
fluoride

Flouride levels from water sources
absorb

Oil absorption of silica
fbuild

Appearance for film builds
tennis

Durability of tennis ball covers
oven

Drying of silica
webvisit

Web site visits over a 3-week period
purity

Purity of product from a filtration process
thinfilm

Strength of thin film coatings
ccthickn

Clear coat thickness
tensile

Tensile breaking strength of steel samples
safety

Safety violations over time
mw

Appearance measure of paint
yellow

Initial and 1 month color measure of coated lens
dhaze

Haze of lenses after abrasion
water

Bacteria concentrations in water samples
adhesion

Adhesive qualities of a lens coating
webtraff

Web site traffic during a marketing campaign
stab

Stability of a chemical product
soap

Soap sales by packaging type
bath

Electrical resistance after water bath
fillweight

Fill weight by batch
protein

Assay of protein in blood
lwsw

Appearance measures of automotive paints
moisture

Moisture content of a silica product
railcar3

Moisture level versus type of rail car
whitearea

Comparison of mixing processes
bacteria

Bacteria count in water samples
wash

Appearance of washed and unwashed panels
railcar

Rail car hold times
timetemp

Time to nominal temperature
viscosity

Time to gelling of paint samples