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| balanced | Data frame for panel data |
| Crime | Crime in North Carolina |
| indexes | Data frame for panel data |
| na.obs | Data frame for panel data |
| niTt | Data frame for panel data |
| nopool | No pooling estimation |
| nT | Data frame for panel data |
| pdata.frame | Data frame for panel data |
| pdiff | Difference operator for panel data |
| pdimcheck | Check for the dimensions of the panel |
| pFtest | F test for effects |
| phtest | Hausman's test for panel models |
| plag | Lag operator for panel data |
| plm | Panel Data Estimators |
| plmtest | Lagrance mulitplier tests for panel models |
| plot.nopool | No pooling estimation |
| pmean | Conditional mean of a variable |
| pooltest | Test of poolability |
| print.nopool | No pooling estimation |
| print.plm | Panel Data Estimators |
| print.plms | Panel Data Estimators |
| print.summary.nopool | No pooling estimation |
| print.summary.panel.frame | Data frame for panel data |
| print.summary.plm | Panel Data Estimators |
| print.summary.plms | Panel Data Estimators |
| pvarcheck | Check wheter variables of a panel exhibit individual and time variations |
| summary.nopool | No pooling estimation |
| summary.panel.frame | Data frame for panel data |
| summary.plm | Panel Data Estimators |
| summary.plms | Panel Data Estimators |