Frequency of vector member
A.freq(o)Calculates the frequency of o in sequence A; if parameter o is absent, find the frequency of null values (including empty strings and NA).
A |
|
1 |
[0,NA,2,3,,5,6,3,100,9] |
2 |
=A1.freq(3) |
3 |
=A1.freq() |
A1 Input a vector
A2 Calculate the frequency of member "3". In A1, 3 occurs twice, so the frequency is 2/10=0.2
A3 Return the frequency of null value.
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