mean

mean(X)

X is a scalar/vector/matrix.

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.

x=1 5 9;
mean(x);
// output
5

x=1 5 9 NULL;
mean(x);
// output
5

avg(x);
// output
5

m=matrix(1 2 3, 4 5 6);
m;

mean(m);
// output
[2,5]

Related center data tendency functions: mode, med