A comparison of several approaches for choosing between working correlation structures in generalized estimating equation analysis of longitudinal binary data (p 2338-2355) Justine Shults, Wenguang Sun, Xin Tu, Hanjoo Kim, Jay Amsterdam, J…

data d1; a = 0.4; b = 0.3; c = a - b; if c = 0.1 then flg=1; else flg=0; put flg; run; 2chには，「SASは2進数で計算をおこなうため0.1000000000001みたいなことがおきてるわけよ。きちんとRound関数使いなさい」との指示が。 data d1; a = 0.4; b = 0.…