EngrExpt0.1-8 package

Data sets from "Introductory Statistics for Engineering Experimentation"

absorb

Oil absorption of silica

adhesion

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

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

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

Datasets from Nelson, Coffin and Copeland "Introductory Statistics for Engineering Experimentation" (Elsevier, 2003) with sample code.

  • Maintainer: Douglas Bates
  • License: GPL (>= 2)
  • Last published: 2012-10-29