PatentsHGH
Bundled with Ecdat · exported, loads via data()
Class
data.frame
Dimensions
1,730 × 18
Missing
0
Format
rda
Fingerprint
2e666aac
Columns
| Column | Type | Distinct | Missing | Range or levels |
|---|---|---|---|---|
| obsno | numeric | 346 | 0 | 1 – 346 |
| year | numeric | 5 | 0 | 1 – 5 |
| cusip | numeric | 346 | 0 | 800 – 989399 |
| ardsic | numeric | 21 | 0 | -999 – 21 |
| scisect | factor | 2 | 0 | 2 levels |
| logk | numeric | 346 | 0 | -1.7696 – 9.6663 |
| sumpat | numeric | 196 | 0 | 0 – 3806 |
| logr | numeric | 227 | 0 | 0 – 515 |
| logr1 | numeric | 221 | 0 | 0 – 528 |
| logr2 | numeric | 222 | 0 | 0 – 595 |
| logr3 | numeric | 226 | 0 | 0 – 595 |
| logr4 | numeric | 225 | 0 | 0 – 595 |
| logr5 | numeric | 1,690 | 0 | -3.8487 – 7.0343 |
| pat | numeric | 1,679 | 0 | -3.8487 – 7.0652 |
| pat1 | numeric | 1,675 | 0 | -3.8487 – 7.0652 |
| pat2 | numeric | 1,670 | 0 | -3.8487 – 7.0652 |
| pat3 | numeric | 1,641 | 0 | -3.674 – 7.0652 |
| pat4 | numeric | 1,606 | 0 | -3.674 – 7.0652 |
Version history
| Version | Format | Confidence |
|---|---|---|
| 0.4.7 | rda | exact |
| 0.4-2 | rda | exact |
| 0.4-1 | rda | exact |
| 0.4-0 | rda | exact |
| 0.3-9 | rda | exact |
| 0.3-7 | rda | exact |
| 0.3-4 | rda | exact |
| 0.3-3 | rda | exact |
| 0.3-1 | rda | exact |
| 0.2-9 | rda | exact |
| 0.2-7 | rda | exact |
| 0.2-6 | rda | exact |
| 0.2-5 | rda | exact |
| 0.2-4 | rda | exact |
| 0.2-3 | rda | exact |
| 0.2-2 | rda | exact |
| 0.2-1 | rda | exact |
| 0.2-0 | rda | exact |
| 0.1-6.1 | rda | exact |
| 0.1-6 | rda | exact |
| 0.1-5 | rda | exact |