Given a set X of n feature vectors x 1= (x 11,…,x 1p ), ..., x n = (x n1,…,x np ) of dimension p, the problem is to compute the following sample characteristics for each feature in the data set:
|
Statistic |
Definition |
|---|---|
|
Minimum |
|
|
Maximum |
|
|
Sum |
|
|
Sum of squares |
|
|
Means |
|
|
Second order raw moment |
|
|
Sum of squared difference from the means |
|
|
Variance |
|
|
Standard deviation |
|
|
Variation coefficient |
|
