Description Usage Arguments Examples
Multiple choice question options are in separate columns because the respondent can select or not select any number of them, or several combinations.
1 2 | mc_indicator(column, selected = 1, unselected = 0, missing = 0,
na_id = NA)
|
column |
A vector containing the multiple choice answers. |
selected |
What should be the replacement value of selected columns?
Defaults to |
unselected |
Depending on your questionnaire, not selecting an answer option can have
different meanings. Mostly you should substitute unselected values with |
missing |
Are there explicit missings in your column. Defaults to |
na_id |
Is there a special string for explicitly missing variables? (Default: |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | mc_column_1 <- c("first option", NA, "first option", "NA" )
mc_indicator ( column = mc_column_1,
selected = 1,
unselected = 0,
missing = 0,
na_id = NA)
mc_indicator ( column = mc_column_1,
selected = 1,
unselected = 0,
missing = 0,
na_id = "NA")
mc_column_2 <- c(NA, "second option", NA, "NA")
mc_indicator ( column = mc_column_2,
selected = 2,
missing = NA,
na_id = "NA")
|
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