Another way to count TRUE
To get the number of TRUE in logical vector 'x', tabulate(x, 1) can be used. Actually, it gives count of 1, but TRUE as integer is 1. Since R 3.4.0, it gives a correct answer, too, when the count is 2^31 or more.
To get the number of TRUE in logical vector 'x', tabulate(x, 1) can be used. Actually, it gives count of 1, but TRUE as integer is 1. Since R 3.4.0, it gives a correct answer, too, when the count is 2^31 or more.