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Count the total values of x that are NA.
x
NA
count_na(x)
The sum of x that are NA
A vector to check.
sum(is.na(x))
Other counting wrappers: count_diff(), count_in(), count_out(), na_in(), na_out(), na_rep(), prop_distinct(), prop_in(), prop_na(), prop_out(), what_in(), what_out()
count_diff()
count_in()
count_out()
na_in()
na_out()
na_rep()
prop_distinct()
prop_in()
prop_na()
prop_out()
what_in()
what_out()
count_na(c("VT", "NH", NA, "ME"))
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