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Building segments bar graphs

"What is the probability that a person in excellent health suffers from depression?" and "Are depression rates lower for healthier people?" are questions we can start to answer by adding conditional proportions to tab_DH and creating a segmented bar graph.

Notice that we need to use ungroup() in our data wrangling below.

Cet exercice fait partie du cours

Analyzing Survey Data in R

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Exercice interactif pratique

Essayez cet exercice en complétant cet exemple de code.

# Add conditional proportions to tab_DH
tab_DH_cond <- tab_DH %>%
    as.data.frame() %>%
    group_by(___) %>%
    ___(n_HealthGen = ___(Freq), Prop_Depressed = Freq/___) %>%
    ungroup()
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