Engineered features used in the quality model. Where ‘Z’ is Z-score distribution, ‘ACF’ is the autocorrelation function, and ‘FT’ is the Fourier Transform (calculated via the fft function in R)
| Feature . | Description . |
|---|---|
| Z1 | mean of Z |
| Z2 | variance of Z |
| Zacf1 | mean of ACF(Z) |
| Zacf2 | variance of ACF(Z) |
| ReW1 | mean of FT(Z) (real part) |
| ReW2 | variance of FT(Z) (real part) |
| ImW1 | mean of FT(Z) (imaginary part) |
| ImW2 | variance of FT(Z) (imaginary part) |
| ReWacf1 | mean of FT(ACF(Z)) (real part) |
| ReWacf2 | variance of FT(ACF(Z)) (real part) |
| ImWacf1 | mean of FT(ACF(Z)) (imaginary part) |
| ImWacf2 | variance of FT(ACF(Z)) (imaginary part) |
| Feature . | Description . |
|---|---|
| Z1 | mean of Z |
| Z2 | variance of Z |
| Zacf1 | mean of ACF(Z) |
| Zacf2 | variance of ACF(Z) |
| ReW1 | mean of FT(Z) (real part) |
| ReW2 | variance of FT(Z) (real part) |
| ImW1 | mean of FT(Z) (imaginary part) |
| ImW2 | variance of FT(Z) (imaginary part) |
| ReWacf1 | mean of FT(ACF(Z)) (real part) |
| ReWacf2 | variance of FT(ACF(Z)) (real part) |
| ImWacf1 | mean of FT(ACF(Z)) (imaginary part) |
| ImWacf2 | variance of FT(ACF(Z)) (imaginary part) |
Engineered features used in the quality model. Where ‘Z’ is Z-score distribution, ‘ACF’ is the autocorrelation function, and ‘FT’ is the Fourier Transform (calculated via the fft function in R)
| Feature . | Description . |
|---|---|
| Z1 | mean of Z |
| Z2 | variance of Z |
| Zacf1 | mean of ACF(Z) |
| Zacf2 | variance of ACF(Z) |
| ReW1 | mean of FT(Z) (real part) |
| ReW2 | variance of FT(Z) (real part) |
| ImW1 | mean of FT(Z) (imaginary part) |
| ImW2 | variance of FT(Z) (imaginary part) |
| ReWacf1 | mean of FT(ACF(Z)) (real part) |
| ReWacf2 | variance of FT(ACF(Z)) (real part) |
| ImWacf1 | mean of FT(ACF(Z)) (imaginary part) |
| ImWacf2 | variance of FT(ACF(Z)) (imaginary part) |
| Feature . | Description . |
|---|---|
| Z1 | mean of Z |
| Z2 | variance of Z |
| Zacf1 | mean of ACF(Z) |
| Zacf2 | variance of ACF(Z) |
| ReW1 | mean of FT(Z) (real part) |
| ReW2 | variance of FT(Z) (real part) |
| ImW1 | mean of FT(Z) (imaginary part) |
| ImW2 | variance of FT(Z) (imaginary part) |
| ReWacf1 | mean of FT(ACF(Z)) (real part) |
| ReWacf2 | variance of FT(ACF(Z)) (real part) |
| ImWacf1 | mean of FT(ACF(Z)) (imaginary part) |
| ImWacf2 | variance of FT(ACF(Z)) (imaginary part) |
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