Description Usage Arguments Value Examples
Contour plot for sensitivity analysis objects.
1 2 3 4 5 6 7 8 |
x |
an object of class |
outcome_name |
a character string indicating the name of the outcome. |
x_axis |
sensitivity analysis parameter shown on the x axis. Default is |
other |
a named list indicating the values at which other sensitivity analysis parameters,
namely, |
... |
additional arguments |
a ggplot2
plot, which can be further customized by the user.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | data(tatar)
m1 <- c("trust_g1", "victim_g1", "fear_g1")
m2 <- c("trust_g2", "victim_g2", "fear_g2")
m3 <- c("trust_g3", "victim_g3", "fear_g3")
mediators <- list(m1, m2, m3)
formula_m0 <- annex ~ kulak + prosoviet_pre + religiosity_pre + land_pre +
orchard_pre + animals_pre + carriage_pre + otherprop_pre + violence
formula_m1 <- update(formula_m0, ~ . + trust_g1 + victim_g1 + fear_g1)
formula_m2 <- update(formula_m1, ~ . + trust_g2 + victim_g2 + fear_g2)
formula_m3 <- update(formula_m2, ~ . + trust_g3 + victim_g3 + fear_g3)
formula_ps <- violence ~ kulak + prosoviet_pre + religiosity_pre +
land_pre + orchard_pre + animals_pre + carriage_pre + otherprop_pre
####################################################
# Causal Paths Analysis using GLM
####################################################
# outcome models
glm_m0 <- glm(formula_m0, family = binomial("logit"), data = tatar)
glm_m1 <- glm(formula_m1, family = binomial("logit"), data = tatar)
glm_m2 <- glm(formula_m2, family = binomial("logit"), data = tatar)
glm_m3 <- glm(formula_m3, family = binomial("logit"), data = tatar)
glm_ymodels <- list(glm_m0, glm_m1, glm_m2, glm_m3)
# propensity score model
glm_ps <- glm(formula_ps, family = binomial("logit"), data = tatar)
# causal paths analysis using glm
# note: For illustration purposes only a small number of bootstrap replicates are used
paths_glm <- paths(a = "violence", y = "annex", m = mediators,
glm_ymodels, ps_model = glm_ps, data = tatar, nboot = 3)
# sensitivity analysis for the path-specific effect via M1
sens_glm <- sens(paths_glm, confounded = "M1", estimand = "via M1",
gamma_values = - seq(0, 0.5, 0.005), eta_values = seq(-0.5, 0.5, 0.005))
plot(sens_glm)
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