-> codebook year --------------------------------------------------------------------- Year type: numeric (int) range: [1979,1981] units: 1 unique values: 3 coded missing: 0 / 20 tabulation: Freq. Value 4 1979 12 1980 4 1981 month ------------------------------------------------------------------- Month type: numeric (byte) range: [1,12] units: 1 unique values: 12 coded missing: 0 / 20 mean: 6.5 std. dev: 3.84571 percentiles: 10% 25% 50% 75% 90% 1.5 3 6.5 10 11.5 gas -------------------------------------------- Statewide leaded gas, met.tons type: numeric (int) range: [73,170] units: 1 unique values: 14 coded missing: 6 / 20 mean: 124.214 std. dev: 36.2177 percentiles: 10% 25% 50% 75% 90% 75 87 126.5 161 169 blood --------------------------------------------- Lead in u.cord blood, ug/dL type: numeric (float) range: [4.5,7.3] units: .1 unique values: 14 coded missing: 0 / 20 mean: 6.17 std. dev: .800066 percentiles: 10% 25% 50% 75% 90% 5.1 5.65 6.25 6.9 7.1 water ------------------------------------------------- Lead in tap water, ug/L type: numeric (float) range: [1.4,9.5] units: .1 unique values: 18 coded missing: 0 / 20 mean: 4.49 std. dev: 2.13342 percentiles: 10% 25% 50% 75% 90% 1.85 3 4.15 5.75 7.45 air ------------------------------------------------------ Lead in air, ug/cu M type: numeric (float) range: [.01,.22] units: .01 unique values: 11 coded missing: 6 / 20 mean: .110714 std. dev: .062199 percentiles: 10% 25% 50% 75% 90% .02 .07 .105 .16 .18 furn --------------------------------------------- Lead furniture dust, ug/area type: numeric (float) range: [1.4,18.1] units: .1 unique values: 14 coded missing: 6 / 20 mean: 8.43571 std. dev: 5.31914 percentiles: 10% 25% 50% 75% 90% 1.6 4.5 7.55 13.8 16 floor ------------------------------------------------ Lead floor dust, ug/area type: numeric (float) range: [2.3,65.7] units: .1 unique values: 14 coded missing: 6 / 20 mean: 16.7929 std. dev: 17.6497 percentiles: 10% 25% 50% 75% 90% 2.8 5.4 9.95 25 35.6 window ---------------------------------------------- Lead window dust, ug/area type: numeric (int) range: [14,172] units: 1 unique values: 13 coded missing: 6 / 20 mean: 61.2857 std. dev: 44.686 percentiles: 10% 25% 50% 75% 90% 20 28 50 87 106 -> log close