| auctions | Auction data |
| babynames | Popular names data |
| baseball | Baseball attendance data |
| births | Birth outcome data |
| bitcoin | Bitcoin price and returns data |
| brands | Brand data |
| cigdata | State-level cigarette price and tax data |
| congress | Congressional election data |
| cps | Current Population Survey (CPS) data |
| dictator | Dictator-game data |
| exams | Exam data |
| houseprices | Housing price data |
| hrs | Health-expenditure data |
| inflation | Inflation data |
| inflation_expectations | Inflation expectations data |
| linear_combination | Test a single linear restriction of a model |
| married | Married-couple data |
| metricsgrades | Econometrics course data |
| mutualfunds | Mutual-fund performance data |
| premier | Premier League soccer data |
| resume | Resume response data |
| se_meanx | Asymptotic Standard Errors |
| se_rxy | Asymptotic Standard Errors |
| se_sx | Asymptotic Standard Errors |
| sp500 | Monthly returns data for S&P 500 companies |
| strikes | Strike duration data |
| test_linear_restrictions | Test multiple linear restrictions simultaneously |
| var_mean_indep | Variance helper functions |
| var_mean_onesample | Variance helper functions |
| var_prop_indep | Variance helper functions |
| wald_test | Wald test statistic and p-value |
| website | Website visitor arrival data |
| widgets | Hypothetical data for widgets.com website |