Table 4.
Notations with description.
| S.No | Notation | Description |
|---|---|---|
| 1 | min(X) | Find minimum value in given data set X |
| 2 | max(X) | Find maximum value in given data set X |
| 3 | CSS | Chi square score |
| 4 | OF(i) | Observed frequency of feature ‘I’ |
| 5 | EF(i) | Expected frequency of feature ‘I’ |
| 6 | ry(ɵ) | Qubit rotation around y axis through an angle ɵ |
| 7 | < 0|σz|0 > and < 1|σz|1 > | States represented in Pauli-Z(σz) measurement |
| 8 | |ϕ(x′) > | Quantum states |
| 9 | v(ϕ(x′)) | Quantum feature map |
| 10 | hn | Hadamard gate |
| 11 | C(r) | Control register |
| 12 | T(r) | Training register |
| 13 | Te(r) | Temporary register |
| 14 | Tt(r) | Test register |
| 15 | Ta(r) | Target register |
| 16 | S0 | State of quantum registers |
| 17 | fi(x′) | Estimate of target variable |
| 18 | u(x,y) and u(x′) | Encode input data x and y into quantum state |
| 19 | < M > | Expectation measurement |
| 20 | N(T +) | Number of true positives |
| 21 | N(T−) | Number of true negatives |
| 22 | N(F +) | Number of false positives |
| 23 | N(F−) | Number of false negatives |
| 24 | P | Precision |
| 25 | A | Accuracy |
| 26 | R | Recall |
| 27 | Se | Sensitivity |
| 28 | Sp | Specificity |
| 29 | F | F1 score |
| 30 | T | Training time |