()
| 206 | } |
| 207 | |
| 208 | @Override |
| 209 | public double kurtosis() |
| 210 | { |
| 211 | double mean = mean(); |
| 212 | |
| 213 | double tmp = 0; |
| 214 | |
| 215 | for(int i = startIndex; i < endIndex; i++) |
| 216 | tmp += pow(array[i]-mean, 4); |
| 217 | tmp /= length(); |
| 218 | |
| 219 | return tmp / pow(variance(), 2) - 3; |
| 220 | } |
| 221 | |
| 222 | |
| 223 | @Override |