| epr-package | Easy polynomial regression |
| data1 | data1: Sampaio (2010): page 134 |
| data2 | data2: Kaps and Lamberson (2009): page 434 |
| data3 | data3: fictional example |
| data4 | data4: fictional example |
| data5 | data5: fictional example |
| epr | Easy polynomial regression |
| pr1 | Analysis of polynomial regression |
| pr2 | Analysis of polynomial regression |
| regplot | Regression graphics |