Day 4 [03 Sept. 03] Class Activities
C:\Documents and Settings\John Bailer\My Documents\baileraj\
Classes\Fall 2003\handouts\day4-03sep03.doc
title (revisited) + jittering
* you can have more than one title in a program
proc format;
value totfmt 0='none'
1-HIGH='some'
;
data d1;
title ‘Reproductive Toxicity Study of Nitrofen in C. dubia’;
footnote ‘Data previously analyzed by Bailer and Oris (1993)‘;
infile 'M:\public.www\classes\sta402\SAS-programs\ch2-dat.txt' firstobs=16
expandtabs missover pad ;
input @9 animal 2.
@17 conc 3.
@25 brood1 2.
@33 brood2 2.
@41 brood3 2.
@49 total 2.;
cbrood3 = brood3;
format cbrood3 totfmt.;
label animal = animal ID number;
label conc = Nitrofen concentration;
label brood1 = number of young in first brood;
label brood2 = number of young in 2nd brood;
label brood3 = number of young in 3rd brood;
label total = total young produced in three broods;
options pageno=1 nodate;
Data d3; set d1;
jconc = conc + 20*ranuni(0)- 10;
jbrood1 = brood1 + 2*ranuni(0) -1;
jbrood2 = brood2 + 2*ranuni(0) -1;
jbrood3 = brood3 + 2*ranuni(0) -1;
* add jitter to the concentration for plotting;
* add jitter to the counts as well;
proc plot;
title2 ‘Plot of Brood counts vs. Nitrofen concentration’;
title3 ‘[points jittered in both x and y directions]’;
plot jbrood1*jconc="1" jbrood2*jconc="2" jbrood3*jconc="3" /
overlay vaxis=0 to 20 by 2;
