mean
Syntax
mean(X)
Arguments
X is a scalar/vector/matrix.
Details
Calculate the average of X.
If X is a matrix, calculate the average of each column and return a vector.
The calculation skips NULL values.
Examples
$ x=1 5 9;
$ mean(x);
5
$ x=1 5 9 NULL;
$ mean(x);
5
$ avg(x);
5
$ m=matrix(1 2 3, 4 5 6);
$ m;
#0 |
#1 |
|---|---|
1 |
4 |
2 |
5 |
3 |
6 |
$ mean(m);
[2,5]