Description of Data Files and Sources of Data
This page describes the data files for the book Regression with Graphics: A Second Course in Applied Statistics. We are very grateful to Professor Hamilton for granting us permission to distribute the data from his book at our web site. If you should write about or otherwise use any of these data files, please credit Professor Hamilton and the original researchers.
Chapter 1: Variable distributions
concord1.dta
Hamilton, Lawrence C. 1983. Saving water: A causal model of household conservation. Sociological Perspectives 26(4):355-374.
Contains data Hamilton (1983) Obs: 496 Vars: 10 1. case int %8.0g case ID number 2. water81 int %8.0g Summer 1981 Water Use 3. water80 int %8.0g Summer 1980 Water Use 4. water79 int %8.0g Summer 1979 Water Use 5. income byte %8.0g Income in Thousands 6. educat byte %8.0g Education in Years 7. retire byte %8.0g retirelb head of house retired? 8. peop81 byte %8.0g # of People Resident, 1981 9. cpeop byte %8.0g Increase in # of People 10. peop80 byte %8.0g # people living in 1980 Sorted by: case
nuketest.dta
Vergino, Eileen S. 1989. Soviet test yields. EOS Transactions, American Geophysical Union. 70(48):1511.
Contains data Vergino (1989) Obs: 19 Vars: 10 1. test byte %8.0g case number 2. month byte %8.0g mlbl Month 3. day byte %8.0g Day 4. year int %8.0g Year 5. isc float %9.0g Internat'l Seismic Ctr magnitud 6. sykes float %9.0g Sykes and Ruggi magnitude 7. pub int %8.0g Published Yield in Kilotons 8. region byte %8.0g reg Region of Khazakhstan 9. rock byte %8.0g rklbl Rock Type 10. emplace byte %8.0g elbl Emplacement Conditions
bap.dta
Lioy, Paul L., Jed M. Waldman, Arthur Greenberg, Ronald Harkov, and Charles Pietarninen. 1988. The total human environmental exposure study (THEES) to Benzo(a)pyrene: Comparison of the inhalation and food pathways. Archives of Environmental Health 43(4):304-312.
Contains data Lioy et al. (1988) Obs: 14 Vars: 3 1. outdoor byte %8.0g Med. Outdoor Air PM-10 (ug/m^3) 2. indoor int %8.0g Home #8 Indoor PM-10 (ug/m^3) 3. id byte %8.0g day ID # (not sequential)
corm.dta
Furness, R. W. and T. R. Birkhead. 1984. Seabird colony distributions suggest competition for food supplies during the breeding season. Nature 311:655-656.
Contains data Obs: 27 (max= 2055) Furness & Birkhead (1984) Vars: 3 (max= 254) 1. colony str14 %14s Colony 2. pop int %8.0g Breeding Population (# pairs) 3. area float %9.0g Foraging Grounds (km^2) Sorted by: pop
Chapter 2: Bivariate regression analysis
oilspill.dta
U.S. Census Bureau. 1987. Statistical Abstract of the United States.
Contains data Accidental Oil Spills 1973-85 Obs: 13 Vars: 4 1. year int %8.0g Year 2. tankers int %8.0g Number of Tankers Afloat 3. spills byte %8.0g Number Accidental Oil Spills 4. lost float %9.0g Oil Lost, million metric tons
acidity.dta
D. Halliwell data reprinted by Committee on Monitoring and Assessment of Trends in Acid Deposition. 1986. Acid Deposition: Long-Term Trends. Washington DC: National Academy Press.
Contains data Halliwell (1986) Obs: 15 Vars: 3 1. stream str13 %13s trubutary of Miller River MA 2. spec83 byte %8.0g Number of Fish Species 3. ph83 float %9.0g Average Summer pH
lead.dta
Rabinowitz, Michael, Herbert Needleman, Michael Burley, Hollister Finch, and John Rees. 1984. Lead in umbilical blood, indoor air, tap water, and gasoline in Boston. Archives of Environmental Health 39(4):299-301.
Rabinowitz, Michael, Allen Leviton, Herbert Needleman, David Bellinger, and Christine Waternaux. 1985. Environmental correlates on infant blood levels in Boston. Environmental Research 38:96-107.
Contains data Rabinowitz et al. (1984) Obs: 20 Vars: 9 1. year int %8.0g Year 2. month byte %8.0g Month 3. gas int %8.0g Statewide leaded gas, met.tons 4. blood float %9.0g Lead in u.cord blood, ug/dL 5. water float %9.0g Lead in tap water, ug/L 6. air float %9.0g Lead in air, ug/cu M 7. furn float %9.0g Lead furniture dust, ug/area 8. floor float %9.0g Lead floor dust, ug/area 9. window int %8.0g Lead window dust, ug/area
kitt.dta
Cairns, David K. 1988. The regulation of seabird colony size: A hinterland model. The American Naturalist 134(1):141-146. (also see Furness and Birkhead, 1984)
Contains data Cairns (1989) Obs: 22 Vars: 3 1. colony str12 %12s Colony 2. area float %9.0g Foraging Area (km^2) 3. pop int %8.0g Breeding Population (# pairs)
manatee.dta
Rathbun, Galen B. 1988. Fixed-wing airplane versus helicopter surveys of manatees (trichechus manatus). Marine Mammal Science 4(1):71-75.
Contains data Rathbun (1988) Obs: 10 Vars: 5 1. month str8 %9s Month 2. date byte %8.0g Date 3. plane byte %8.0g Count from Fixed-Wing Airplane 4. copter byte %8.0g Count from Helicopter 5. river str7 %9s River
Chapter 3: Basics of multiple regression
wells.dta
Data from New Hampshire Water Supply and Pollution Control Commission.
Contains data Lee, NH well test data Obs: 53 Vars: 3 1. deep byte %8.0g deeplbl bedrock or shallow well? 2. droad int %8.0g distance to salted rd, feet 3. chlor int %8.0g chloride concentration, mg/l
radon.dta
Archer, Victor F. 1987. Association of lung cancer mortality with Precambrian granite. Archives of Environmental Health 42:87-91.
Cohen, Bernard L. 1988. Letter to editor, Archives of Environmental Health 43(4):313-314.
Archer, Victor F. 1988. Response to Cohen, Archives of Environmental Health 43(4):314-315.
Contains data Archer (1987) & Cohen (1988) Obs: 30 Vars: 11 1. radon float %9.0g Mean Radon Concentration (pCi/L 2. cancer float %9.0g Wt.Female Lung Cancer (x10^-5/y 3. number int %8.0g Number of Household Radon Tests 4. state byte %8.0g state State 5. locale byte %8.0g locale Reading Prong, other locations 6. reading byte %8.0g Reading Prong dummy 7. fringe byte %8.0g Fringe area dummy 8. Ereading byte %8.0g effects-coded Reading 9. Efringe byte %8.0g effects-coded fringe 10. control byte %8.0g control area dummy 11. county str11 %11s County
spruce.dta
Johnson and Siccama data reprinted by Committee on Monitoring and Assessment of Trends in Acid Deposition. 1986. Acid Deposition: Long-Term Trends. Washington DC: National Academy Press.
Contains data Johnson & Siccama (1986) Obs: 64 Vars: 7 1. sitenum byte %8.0g site number 2. site str24 %24s site 3. north byte %8.0g north North vs. South 4. elev int %8.0g Elevation in Meters 5. damage byte %8.0g Pct. of Spruce loss + dead 6. loss byte %8.0g Pct. of Spruce w/50% crown loss 7. dead byte %8.0g Pct. of Spruce dead Sorted by: sitenum
beryl.dta
Rom, William N., James E. Lockey, Ki Moon Bang, Charles Dewitt, and Richard E. Johns. 1983. Reversible beryllium sensitization in a prospective study of beryllium workers. Archives of Environmental Health 38(5):303-307.
Contains data Rom et al. (1983) Obs: 15 Vars: 5 1. id byte %8.0g worker ID number 2. age byte %8.0g Age in Years 3. employ byte %8.0g Employment Duration in Years 4. expose byte %8.0g Beryllium Exposure Level 5. lt79 float %9.0g Lymphocyte Transformation 1979 Sorted by: id
salamand.dta
Ruben, John A. and Arthur J. Boucot. 1989. The origin of the lungless salamanders (Amphibia: plethodontidae). The American Naturalist 134(2):161-169.
Contains data Ruben & Boucot (1989) Obs: 10 Vars: 5 1. id byte %8.0g species ID number 2. species str18 %18s Species 3. type byte %8.0g type Lungs vs. Lungless 4. oxy byte %8.0g % Cutaneous O2 Consumption 5. head float %9.0g Relative Head Width
Chapter 4: Regression criticism
nations.dta
World Bank. 1987. World Development Indicators 1987. Washington, DC.
Contains data Obs: 128 (max= 2055) World Development Indicators 87 Vars: 5 (max= 254) 1. nation int %8.0g country Nation 2. encon85 int %8.0g Energy Consumption per Person 3. popgro85 float %9.0g Mean Annual Population Growth 4. fert84 int %8.0g Fertilizer Use per Hectare 5. birthr85 byte %8.0g Crude Birth Rate
concord2.dta
Concord Water Department. 1982.
Contains data Concord Water Department (1982) Obs: 137 Vars: 7 1. year byte %8.0g Year 2. month byte %8.0g monthlbl Month 3. time int %8.0g index number 1-137 4. H2Ouse float %9.0g average daily water use 5. temp float %9.0g average monthly temperature 6. rain float %9.0g precipitation in inches 7. educ byte %8.0g conservation campaign dummy Sorted by: time
cassava.dta
Contains data C.A.R. cassava production Obs: 33 Vars: 6 1. year int %8.0g Year 2. area int %8.0g cultivated area 1000 hectares 3. product int %8.0g production in 1000 metric tons 4. yield int %8.0g kilograms per hectare 5. pop int %8.0g population in 1000s 6. price float %9.0g price index based on 1980
methane.dta
Iannacchione, Anthony T. and Donald G. Puglio. 1979. Methane Content and Geology of the Hartshorne Coalbed in Haskell and Le Flore Counties, Okla., RI 8407. Washington DC: U.S. Bureau of Mines.
Contains data Iannacchione & Puglio (1979) Obs: 15 Vars: 3 1. sample byte %8.0g Sample number 2. depth int %8.0g Overburden in Feet 3. gas float %9.0g Gas Content, cm^3/g Sorted by: sample
basins.dta
Hicks, D. Murray, M.J. McSaveney, and T.J. Chinn. 1990. Sedimentation in proglacial Ivory Lake, Southern Alps, New Zealand. Arctic and Alpine Research 22(1):26-42.
Contains data Hicks et al. (1990) Obs: 19 Vars: 8 1. id byte %8.0g basin ID number 2. basin str19 %19s Basin 3. area float %9.0g Drainage Area (km^2) 4. precip int %8.0g Mean Annual Precipitation (mm) 5. runoff int %8.0g Mean Annual Runoff (mm) 6. glacier byte %8.0g Percent Glacierized 7. yield int %8.0g Mean Annual Sediment Yield (t/k 8. location byte %8.0g location Location Sorted by: id
illness.dta
Charpin, D., J.P. Kleisbauer, J. Fondarai, B. Graland, A. Viala, F. Gouezo. 1988. Respiratory symptoms and air pollution changes in children: the Gardanne coal-basin study. Archives of Environmental Health 43(1):22-27.
Contains data Charpin et al. (1988) Obs: 10 Vars: 4 1. town str8 %9s Town/Gardanne Coal Basin France 2. so2 int %8.0g Mean 2-Week SO2 Levels (ug/m^3) 3. pulm byte %8.0g Mean % Children w/Pulmonary Sym 4. ent byte %8.0g Mean % Children w/ENT Symptoms
Chapter 5: Fitting curves
crfe.dta
Hurd, Michael L. 1986. The Geochemistry of Chromium in the Great Bay Estuary and the Gulf of New Hampshire (Master’s Thesis). Durham: University of New Hampshire.
Contains data Hurd (1986) Obs: 13 Vars: 2 1. crfe float %9.0g Cr/Fe ratio 2. depth byte %8.0g Depth in cm
child.dta
Office of Population Censuses and Surveys. 1987. Period and Cohort Birth Order Statistics. London: Her Majesty’s Stationary Office.
Contains data England and Wales Fertility Obs: 37 Vars: 9 1. age byte %8.0g Women's Age 2. c1920 byte %8.0g % female cohort with >=1 child 3. c1930 byte %8.0g % female cohort with >=1 child 4. c1940 byte %8.0g % female cohort with >=1 child 5. c1945 byte %8.0g % female cohort with >=1 child 6. c1950 byte %8.0g % female cohort with >=1 child 7. c1955 byte %8.0g % female cohort with >=1 child 8. c1960 byte %8.0g % female cohort with >=1 child 9. c1965 byte %8.0g % female cohort with >=1 child Sorted by: age
chrome.dta
Capuzzo, Judith M. and Franz E. Anderson. 1973. The use of modern chromium accumulation to determine estuary sedimentation rates. Marine Geology 14:225-235.
Contains data Capuzzo & Anderson (1973) Obs: 7 Vars: 3 1. station byte %8.0g Station 2. dist float %9.0g Distance from Discharge, km 3. high int %8.0g Highest Chromium, ppm Sorted by: station
deforest.dta
Council on Environmental Quality. 1985. Environmental Quality: 1985. Washington, DC: Council on Environmental Quality.
Contains data Council Env Quality (1985) Obs: 50 Vars: 4 1. nation int %8.0g cname Nation 2. gr83 float %9.0g growth rate: BR-DR 1983 3. gnp85 int %8.0g 1985 per capita GNP 4. defor2 float %9.0g deforestation, percent per year
solrad.dta
Soler, Alfonso. 1990. Dependence on latitude of the relation between the diffuse fraction of solar radiation and the ratio of global-to-extraterrestrial radiation for monthly average daily values. Solar Energy 44(5):297-302.
Contains data Soler (1990) Obs: 28 Vars: 4 1. site str13 %13s European Location 2. lat float %9.0g North Latitude, degrees 3. c float %9.0g proportion diffuse=c+d(pro glob 4. d float %9.0g proportion diffuse=c+d(pro glob
trout.dta
Bache, C.A., J.W. Serum, W.D. Youngs, and D.J. Lisk. 1972. Polychlorinated biphenyl residues: Accumulation in Cayuga Lake trout with age. Science 117:1192-1193.
Contains data Bache et al. (1972) Obs: 28 Vars: 2 1. age byte %8.0g Lake trout age in years 2. pcb float %9.0g PCB concentration (ppm)
reef.dta
Risk, Michael J. and Paul W. Sammarco. 1991. Cross-shelf trends in skeletal density of the massive coral Porites lobata from the Great Barrier Reef. Marine Ecology Progress Series 69:195-200.
Contains data Risk & Sammarco (1991) Obs: 27 Vars: 3 1. reef str17 %17s Great Barrier Reef site 2. distance float %9.0g Distance from shore (km) 3. density float %9.0g Density (g cm^-3)
hippo.dta
Tembo, A. 1987. Population status of the hippopotamus on the Luangwa River. African Journal of Ecology 25:71-77.
Contains data Tembo (1987) Obs: 10 Vars: 2 1. year int %8.0g Year 2. total int %8.0g Total Hippo Population Estimate
fisheggs.dta
DeBlois, E.M. and W.C. Leggett. 1991. Functional response and potential impact of invertebrate predators on benthic fish eggs: analysis of the Calliopius laeviusculus-capelin (Mallotus villosus) predator-prey system. Marine Ecology Progress Series 69:205-216.
Contains data DeBlois & Leggett (1991) Obs: 26 Vars: 2 1. density byte %8.0g Initial egg density (eggs cm^-3 2. eaten float %9.0g Number eaten/amphipod
Chapter 6: Robust regression
airpol.dta
McDonald, G.C. and Ayers, J.A. 1978. Some applications of the ‘Chernoff faces’: a technique for graphically representing multivariate data. In P.C.C. Wang (ed.) Graphical Representation of Multivariate Data. New York: Academic, pp. 183-197.
McDonald, G. C. and Schwing, R.C. 1973. Instabilities of regression estimates relating air pollution to mortality. Technometrics, 15, 463-481.
Goodall, Colin. 1983. Examining Residuals, pp. 211-246 in David C. Hoaglin, Frederick Mosteller, and John W. Tukey (eds.) Understanding Robust and Exploratory Data Analysis. New York: Wiley.
Contains data McDonald & Ayers (1978) Obs: 60 Vars: 19 1. old float %9.0g % 65 and over 2. pop_hse float %9.0g population per household 3. educ float %9.0g median education of pop 25+ 4. gdhse float %9.0g % sound housing units 5. nonw float %9.0g % nonwhite 6. wcol float %9.0g % white collar employment 7. poor float %9.0g % families with income < $3000 8. mort float %9.0g age-adjusted mortality/100K 9. popden int %8.0g people per square mile 10. hc int %8.0g relative HC pollution potential 11. nox int %8.0g relative NOx pollution potentia 12. so2 int %8.0g relative SO2 pollution potentia 13. smsa str12 %12s SMSA 14. state str2 %9s State 15. rain byte %8.0g avg. yearly precip. inches 16. jan byte %8.0g avg. January temperature, F 17. july byte %8.0g avg. July temperature, F 18. humid byte %8.0g avg relative humidity, % 19. case byte %8.0g case ID number Sorted by: smsa
bays.dta
Council on Environmental Quality. 1988. Environmental Quality: 1987-1988. Washington, DC: Council on Environmental Quality. Contains data Sediment Contam. in Estuaries Obs: 37 Vars: 5 1. id byte %8.0g estuary ID number 2. bay str23 %23s Estuary 3. state str2 %9s State 4. pcb84 float %9.0g Total PCBs 1984 (ppb) 5. pcb85 float %9.0g Total PCBs 1985 (ppb) Sorted by: id
stoves.dta
Traynor, G.W., M.G. Apte, A.R. Carruthers, J.F. Dillworth, D.T. Grimsrud, and L.A. Gundel. 1987. Indoor air pollution due to emissions from wood-burning stoves. Environmental Science and Technology 21(7):691-696. Contains data Traynor et al. (1987) Obs: 11 Vars: 5 1. time float %9.0g Burn Time in Hours 2. fuel float %9.0g Kg of Wood Burned 3. peakCO float %9.0g peak CO concentration 4. stove byte %8.0g slbl Stove-Test 5. type byte %8.0g t Type of Stove Sorted by: type
kob.dta
Okaeme, A.N., E.A. Agbelusi, J. Mshelbwala, M.Wari, A. Ngulge, and M. Haliru. 1988. Effects of Immobilon and Revivon in the immobilization of western kob (Kobus kob kob). African Journal of Ecology 26:63-67. Contains data Okaeme et al. (1988) Obs: 9 Vars: 2 1. dosewt float %9.0g dosage divided by weight 2. dist int %8.0g Meters Covered Before Dropping
river.dta
Haith, Douglas A. 1976. Land use and water quality in New York
Rivers.
Journal of the Environmental Engineering Division, ASCE
102:1-15.
Allen, David M. and Foster B. Cady. 1982. Analyzing Experimental Data by Regression. Belmont, CA: Wadsworth.
Simpson, D.G., D. Ruppert, and R.J. Carroll. 1989. One-step GM-estimates for regression with bounded influence and high breakdown-point. Technical Report 859, School of Operations Research and Industrial Engineering, Cornell University.
Contains data Haith (1976) Obs: 20 Vars: 5 1. basin str11 %11s River Basin 2. ac byte %8.0g % Land Active Agriculture 3. fr byte %8.0g % Land Forest, Brushland,etc. 4. ur float %9.0g % Land Urban Use (rs+ci) 5. n float %9.0g Total Nitrogen, mg/l
Chapter 7: Logit regression
toxic.dta
Contains data from toxic.dta obs: 153 Hamilton (1985) vars: 8 size: 1,836 (98.3% of memory free) ------------------------------------------------------------------------------- 1. close byte %8.0g close schools should close 2. lived byte %8.0g years lived in Williamstown 3. educ byte %8.0g highest year school completed 4. contam byte %8.0g contamlb believe own property/water cont 5. hsc byte %8.0g kidlbl Attend 2+ HSC meetings? 6. female byte %8.0g sexlbl respondent sex (female) 7. kids byte %8.0g kidlbl have kids <19 in Williamstown? 8. nodad byte %8.0g kidlbl male non-parent ------------------------------------------------------------------------------- Sorted by:
gloc.dta
Glaister, David H. and Nita L. Miller. 1990. Cerebral tissue oxygen status and psychomotor performance during lower body negative pressure (LBNP). Aviation, Space, and Environmental Medicine 61(2):99-105. Contains data Glaister & Miller (1990) Obs: 8 Vars: 3 1. subject str2 %9s Subject 2. age byte %8.0g Age 3. signs byte %8.0g Syncopal signs: 0=no, 1=yes
milk.dta
Stacey, Conway Ivan, William Stanley Perriman, and Susan Whitney. 1985. Organochlorine pesticide residue levels in human milk: Western Australia, 1979-1980. Archives of Environmental Health March/April 40(2):102-108. Contains data Stacey et al. (1985) Obs: 45 Vars: 5 1. id byte %8.0g case ID number 2. age byte %8.0g Age of Mother 3. suburb byte %8.0g suburb New Suburb? 4. termites byte %8.0g ants House Treated for White Ants? 5. dieldrin byte %8.0g dieldrin > .009 ppm Sorted by: id
Chapter 8: Principal component and factor analysis
planets.dta
Beatty, J. Kelly, Brian O'Leary, and Andrew Chaikin, Eds. 1981. The New Solar System. Cambridge, MA: Sky Publishing. Contains data Beatty et al. (1981) Obs: 9 Vars: 7 1. planet byte %8.0g plbl Planet 2. dsun float %9.0g Mean dist. sun, km*10^6 3. radius float %9.0g Equatorial radius in km 4. masskg float %9.0g Mass in kilograms 5. density float %9.0g Mean density, g/cm^3 6. moons byte %8.0g Number of known moons 7. rings byte %8.0g rlbl Has rings?
tulsa.dta
Blocker, T. Jean and Douglas Lee Eckberg. 1989. Environmental issues as women's issues: General concerns and local hazards. Social Science Quarterly 70(3):586-593. Contains data Blocker & Eckberg (1989) Obs: 300 Vars: 17 1. deepwell byte %8.0g serious deep well chemical injection 2. chandler byte %8.0g serious Chandler landfill undergr. fire 3. tornados byte %8.0g serious tornados serious problem? 4. floods byte %8.0g serious floods serious problem? 5. airpol byte %8.0g serious pollution in Tulsa's air 6. rivpol byte %8.0g serious pollution Tulsa's rivers/stream 7. lessenvt byte %8.0g agree relax pollution controls 8. manykids byte %8.0g agree OK to have many kids 9. shutdown byte %8.0g agree shut industries if polluting 10. toocons byte %8.0g agree use natural resources 11. pollburd byte %8.0g agree pollution control unfair burden 12. privown byte %8.0g agree no public control of owned reso 13. taxbabes byte %8.0g agree tax on >2 kids for pop control 14. punish byte %8.0g agree polluting managers fined/jailed 15. preserve byte %8.0g agree preserve resource for future 16. nchldn byte %8.0g # children living at home 17. sex byte %8.0g sex sex
streams.dta
Meffe, Gary K. and Andrew L. Sheldon. 1988. The influence of habitat structure on fish assemblage composition in Southeastern blackwater streams. The American Midland Naturalist 120(2):225-236. Contains data Meffe & Sheldon (1988) Obs: 49 Vars: 8 1. site str4 %9s site 2. mdepth float %9.0g Mean Depth (cm) 3. mwidth float %9.0g Mean Width (m) 4. mvelo float %9.0g Mean Current Velocity (cm/sec) 5. silt float %9.0g % silt substrate 6. leaves float %9.0g % leaves substrate 7. sand float %9.0g % sand substrate 8. mud float %9.0g % mud substrate
shetland.dta
Seyfrit, Carole L. 1989. North Sea oil and Scotland's youth: High school students' attitudes toward community, family, and the oil industry. Paper presented at annual meeting of the American Sociological Association, San Francisco. Contains data Seyfrit (1989) Obs: 42 Vars: 6 1. famconf byte %8.0g agre should confide in family 2. differ byte %8.0g agre out of luck if different 3. critical byte %8.0g agre people critical others here 4. home byte %8.0g agre home most pleasant in world 5. badname byte %8.0g agre bad name if you're different 6. famsac byte %8.0g agre should sacrifice for family
Appendix 2: Computer-intensive methods
rain.dta
Dingman, S. Lawrence, Diana M. Seely-Reynolds, and Robert C. Reynolds III. 1988. Application of kriging to estimating mean annual precipitation in a region of orographic influence. Water Resources Bulletin 24(2):329-339. Contains data NE Precipitation/Elevation Obs: 102 Vars: 5 1. id byte %8.0g gage ID number 2. gauge str16 %16s Site of Rain Gauge 3. state byte %8.0g stat State or Province 4. elev int %8.0g Elevation in Meters 5. map30 float %9.0g 30-Year Mean An.Precip., cm
Appendix 3: Matrix algebra
reactor.dta
Brown, Lester R., William U. Chandler, Christopher Flavin, Cynthia Pollock, Sandra Postel, Linda Starke, and Edward C. Wolf. 1986. State of the World 1986. New York: W.W. Norton. Contains data Brown et al. (1986) Obs: 5 Vars: 4 1. site str14 %14s Reactor Site 2. decom byte %8.0g Decommissioning Costs in $milli 3. capacity int %8.0g Capacity in Megawatts 4. years byte %8.0g Years in Operation