Nothing
bpbounds_calc_tri_z3 <- function(p) {
# assuming that p is in the following order
# notation for conditional probabilities is p(y,x|z)
p000 = p[1]
p100 = p[2]
p010 = p[3]
p110 = p[4]
p001 = p[5]
p101 = p[6]
p011 = p[7]
p111 = p[8]
p002 = p[9]
p102 = p[10]
p012 = p[11]
p112 = p[12]
# bounds on probabilities
p10low1 = p100
p10low2 = p101
p10low3 = p102
p10low4 = p100 + p110 + p101 + p011 - 1
p10low5 = p100 + p010 + p101 + p111 - 1
p10low6 = p101 + p111 + p102 + p012 - 1
p10low7 = p101 + p011 + p102 + p112 - 1
p10low8 = p102 + p112 + p100 + p010 - 1
p10low9 = p102 + p012 + p100 + p110 - 1
p10upp1 = 1 - p000
p10upp2 = 1 - p001
p10upp3 = 1 - p002
p10upp4 = p100 + p010 + p101 + p111
p10upp5 = p100 + p110 + p101 + p011
p10upp6 = p101 + p011 + p102 + p112
p10upp7 = p101 + p111 + p102 + p012
p10upp8 = p102 + p012 + p100 + p110
p10upp9 = p102 + p112 + p100 + p010
p10low = max(c(
p10low1,
p10low2,
p10low3,
p10low4,
p10low5,
p10low6,
p10low7,
p10low8,
p10low9
))
p10upp = min(c(
p10upp1,
p10upp2,
p10upp3,
p10upp4,
p10upp5,
p10upp6,
p10upp7,
p10upp8,
p10upp9
))
p11low1 = p110
p11low2 = p111
p11low3 = p112
p11low4 = p100 + p110 - p101 - p011
p11low5 = -p100 - p010 + p101 + p111
p11low6 = p101 + p111 - p102 - p012
p11low7 = -p101 - p011 + p102 + p112
p11low8 = p102 + p112 - p100 - p010
p11low9 = -p102 - p012 + p100 + p110
p11upp1 = 1 - p010
p11upp2 = 1 - p011
p11upp3 = 1 - p012
p11upp4 = p100 + p110 - p101 - p011 + 1
p11upp5 = -p100 - p010 + p101 + p111 + 1
p11upp6 = p101 + p111 - p102 - p012 + 1
p11upp7 = -p101 - p011 + p102 + p112 + 1
p11upp8 = p102 + p112 - p100 - p010 + 1
p11upp9 = -p102 - p012 + p100 + p110 + 1
p11low = max(c(
p11low1,
p11low2,
p11low3,
p11low4,
p11low5,
p11low6,
p11low7,
p11low8,
p11low9
))
p11upp = min(c(
p11upp1,
p11upp2,
p11upp3,
p11upp4,
p11upp5,
p11upp6,
p11upp7,
p11upp8,
p11upp9
))
p10lower = c(p10low1,
p10low2,
p10low3,
p10low4,
p10low5,
p10low6,
p10low7,
p10low8,
p10low9)
p10upper = c(p10upp1,
p10upp2,
p10upp3,
p10upp4,
p10upp5,
p10upp6,
p10upp7,
p10upp8,
p10upp9)
p11lower = c(p11low1,
p11low2,
p11low3,
p11low4,
p11low5,
p11low6,
p11low7,
p11low8,
p11low9)
p11upper = c(p11upp1,
p11upp2,
p11upp3,
p11upp4,
p11upp5,
p11upp6,
p11upp7,
p11upp8,
p11upp9)
retlist = list(
"p10low" = p10low,
"p10upp" = p10upp,
"p11low" = p11low,
"p11upp" = p11upp,
"p10lower" = p10lower,
"p10upper" = p10upper,
"p11lower" = p11lower,
"p11upper" = p11upper
)
# bounds on causal risk ratio
rrlow = p11low / p10upp
rrupp = p11upp / p10low
retlist = append(retlist, list("crrlb" = rrlow,
"crrub" = rrupp))
# monotonicity bounds
m1 = (p102 <= p101) & (p101 <= p100)
m2 = (p110 <= p111) & (p111 <= p112)
m3 = (p010 <= p011) & (p011 <= p012)
m4 = (p002 <= p001) & (p001 <= p000)
monoinequality = (m1 == TRUE & m2 == TRUE & m3 == TRUE & m4 == TRUE)
retlist = append(retlist, list("monoinequality" = monoinequality))
if (monoinequality == TRUE) {
mlow = p112 + p000 - 1
mupp = 1 - p100 - p110
retlist = append(retlist, list("monobplb" = mlow,
"monobpub" = mupp))
# bounds on intervention probabilities assuming monotonicity
monop10low = p100
monop10upp = 1 - p000
monop11low = p112
monop11upp = 1 - p012
retlist = append(
retlist,
list(
"monop10lb" = monop10low,
"monop10ub" = monop10upp,
"monop11lb" = monop11low,
"monop11ub" = monop11upp
)
)
# bounds on causal risk ratio assuming monotonicity
monocrrlow = monop11low / monop10upp
monocrrupp = monop11upp / monop10low
retlist = append(retlist,
list("monocrrlb" = monocrrlow,
"monocrrub" = monocrrupp))
}
return(retlist)
}
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