stdev
stdev(array, attribute[, dimension1[, dimension2[, ...]]])
Create an array with the standard deviation of the indicated input
array attribute values along the indicated dimensions. If no dimension
is specified, compute the standard deviation of all indicated
attribute values in the array.
store(build(<x:double>[i=1:10,10,0,j=1:10,10,0],10*double(random())/2147483647 + 1),A);
stdev(A, x);
stdev(A, x, j);
sum
sum(array[, attribute[, dimension1[, dimension2, ...]]])
Create an array that returns the sum of all attributes in the array,
or just the sum of values in a specified attribute,
optionally grouped along one or more dimensions.
sum(build(<x:double>[i=1:10,5,0,j=1:10,10,0], sin((double(i*j)/100))),x,i);
var
var(array[, attribute[, dimension1[, dimension2, ...]]])
Create an array that returns the variance of all attributes in the array,
or just the variance of values in a specified attribute,
optionally grouped along one or more dimensions.
var(build(<x:double>[i=1:10,5,0,j=1:10,10,0], sin((double(i*j)/100))),x,i);