Right now, NA values are specified globally via na arg in the read_*() family of functions. Sometimes I want to supply NA values for specific columns, rather than the entire data set. A nice way to do this could be to add an na arg to all of the collector types to specify column-level missing values.
Column-level missing values come up frequently in survey data. Here are two examples:
Example 1:
What is your current stress level?
a. Low (LOW)
b. Moderate (MODERATE)
c. High (HIGH)
d. I don’t know (DONT_KNOW)
e. I don’t understand the question (DONT_UNDERSTAND)
I'd like to be able to create a col_factor type that reads the last two responses as NA as follows:
Right now,
NAvalues are specified globally vianaarg in theread_*()family of functions. Sometimes I want to supplyNAvalues for specific columns, rather than the entire data set. A nice way to do this could be to add annaarg to all of the collector types to specify column-level missing values.Column-level missing values come up frequently in survey data. Here are two examples:
Example 1:
I'd like to be able to create a
col_factortype that reads the last two responses asNAas follows:Example 2:
An item that records the individual's height as a double, but can have the following missing values: "ABSENT", "RULER_BROKE"