/* GliM-Poisson-example-04feb03.doc Ref: Bailer, A.J., and Oris, J.T. (1997) Estimating inhibition concentrations for different response scales using generalized linear models. Environmental Toxicology and Chemistry 16: 1554-1559. chem = chemical tested where PCBZ is pentachlorobenzene and DCBZ is dichlorobenzene conc = concentration of compound in micromoles per liter (measured) mort = number of organisms dead after 96 hours exposure to respective chemical n = number of organisms on test at each concentration */data nitrofen; input Anim conc nyoung @@; conc2 = conc*conc;datalines; 1 0.00 27 2 0.00 30 3 0.00 29 4 0.00 31 5 0.00 16 6 0.00 15 7 0.00 18 8 0.00 17 9 0.00 14 10 0.00 2711 1.56 32 12 1.56 35 13 1.56 32 14 1.56 2615 1.56 18 16 1.56 29 17 1.56 27 18 1.56 1619 1.56 35 20 1.56 13 21 3.12 39 22 3.12 30 23 3.12 33 24 3.12 3325 3.12 36 26 3.12 33 27 3.12 33 28 3.12 2729 3.12 38 30 3.12 44 31 6.25 27 32 6.25 34 33 6.25 36 34 6.25 34 35 6.25 31 36 6.25 27 37 6.25 33 38 6.25 31 39 6.25 33 40 6.25 3141 12.50 10 42 12.50 13 43 12.50 7 44 12.50 745 12.50 7 46 12.50 10 47 12.50 10 48 12.50 16 49 12.50 12 50 12.50 2;proc genmod; model nyoung = conc conc2 / dist=poisson link=log type1; run; 1234567891011121314151617181920212223242526272829303132333435........................................................ . * 40.. * . * * * n . * * * y 30.. * * * * o . * * * * u . n 20.. g . * * * . * * * 10.. * . * . * ........................................................ 0 2 4 6 8 10 12
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