



Comparison of correlation coefficient for core-shell TiO2/PANI nanocomposite loaded to PVA (this work) with PANI and PVA [33], PANI-SnO2 nanohybrid material [32], nano-TiO2+ PANI [36]_
| Sample | Correlation coefficient | Forecasted correlation coefficient |
|---|---|---|
| This work | 0.997 | 0.999 |
| [33] | 0.914 | 0.914 |
| [4] | 0.999 | 0.999 |
| [3] | 0.99998 | 0.99998 |