The input table has 10 price observations for four stocks. The column period contains time values, represented by integers.
| stockid | period | stockprice | stock_category |
|---|---|---|---|
| 1 | 22418 | 460 | Technology |
| 1 | 22419 | 457 | Technology |
| 1 | 22420 | 452 | Technology |
| 1 | 22421 | 459 | Technology |
| 1 | 22422 | 462 | Technology |
| 1 | 22423 | 459 | Technology |
| 1 | 22424 | 463 | Technology |
| 1 | 22425 | 479 | Technology |
| 1 | 22426 | 493 | Technology |
| 1 | 22427 | 490 | Technology |
| 2 | 22418 | 492 | Technology |
| 2 | 22419 | 498 | Technology |
| 2 | 22420 | 499 | Technology |
| 2 | 22421 | 497 | Technology |
| 2 | 22422 | 496 | Technology |
| 2 | 22423 | 490 | Technology |
| 2 | 22424 | 489 | Technology |
| 2 | 22425 | 478 | Technology |
| 2 | 22426 | 487 | Technology |
| 2 | 22427 | 491 | Technology |
| 3 | 22418 | 68.2502 | Healthcare |
| 3 | 22419 | 67.7501 | Healthcare |
| 3 | 22420 | 68.375 | Healthcare |
| 3 | 22421 | 67.1251 | Healthcare |
| 3 | 22422 | 67.1251 | Healthcare |
| 3 | 22423 | 66 | Healthcare |
| 3 | 22424 | 66.5002 | Healthcare |
| 3 | 22425 | 64.1251 | Healthcare |
| 3 | 22426 | 64.7501 | Healthcare |
| 3 | 22427 | 65.375 | Healthcare |
| 4 | 22418 | 66.625 | Healthcare |
| 4 | 22419 | 66.8746 | Healthcare |
| 4 | 22420 | 67.0003 | Healthcare |
| 4 | 22421 | 67.2499 | Healthcare |
| 4 | 22422 | 65.8752 | Healthcare |
| 4 | 22423 | 66.1248 | Healthcare |
| 4 | 22424 | 66.5002 | Healthcare |
| 4 | 22425 | 67.7501 | Healthcare |
| 4 | 22426 | 67.4995 | Healthcare |
| 4 | 22427 | 67.2499 | Healthcare |