inst/examples/example-asSurveydata.R

library(surveydata)

# Create surveydata object

sdat <- data.frame(
    id   = 1:4,
    Q1   = c("Yes", "No", "Yes", "Yes"),
    Q4_1 = c(1, 2, 1, 2), 
    Q4_2 = c(3, 4, 4, 3), 
    Q4_3 = c(5, 5, 6, 6), 
    Q10 = factor(c("Male", "Female", "Female", "Male")),
    crossbreak  = c("A", "A", "B", "B"), 
    weight      = c(0.9, 1.1, 0.8, 1.2)
)

varlabels(sdat) <- c(
    "RespID",
    "Question 1", 
    "Question 4: red", "Question 4: green", "Question 4: blue", 
    "Question 10",
    "crossbreak",
    "weight"
  )

sv <- as.surveydata(sdat, renameVarlabels = TRUE)

# Extract specific questions
sv[, "Q1"]
sv[, "Q4"]

# Query attributes
varlabels(sv)
pattern(sv)

# Find unique questions

questions(sv)
which.q(sv, "Q1")
which.q(sv, "Q4")

# Find question text
question_text(sv, "Q1")
question_text(sv, "Q4")

question_text_common(sv, "Q4")
question_text_unique(sv, "Q4")

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surveydata documentation built on Dec. 7, 2018, 1:04 a.m.