| age_group_type | Infer Age Label Type |
| age_labels | Create Age Labels |
| age_lower | Lower Limits, Midpoints, and Upper Limits of Age Groups |
| age_mid | Lower Limits, Midpoints, and Upper Limits of Age Groups |
| age_upper | Lower Limits, Midpoints, and Upper Limits of Age Groups |
| check_age | Validity Checks for Age Labels |
| check_equal_length | Check that Arguments have Same Length |
| check_n | Check Whole Number |
| check_no_overlap_colnums | Check that Colnum Vectors do not Overlap |
| combine_age | Aggregate Age Group Labels |
| ex_to_lifetab_brass | Derive Life Tables that Match Life Expectancies, using a Brass Logit Model |
| find_label_female | Identify Sex or Gender Labels Referring to Females |
| find_label_male | Identify Sex or Gender Labels Referring to Males |
| find_var_age | Identify an Age Variable |
| find_var_sexgender | Identify a Sex or Gender Variable |
| find_var_time | Identify a Time Variable |
| groups_colnums | Get a named vector of column indices for the grouping variables in a grouped data frame |
| invlogit | Logit and Inverse-Logit Functions |
| iran_fertility | Age-Specific Fertility Rates in Iran |
| lifeexp | Calculate Life Tables or Life Expectancies |
| lifetab | Calculate Life Tables or Life Expectancies |
| logit | Logit and Inverse-Logit Functions |
| matrix_to_list_of_cols | Turn a Matrix Into a List of Columns or Rows |
| matrix_to_list_of_rows | Turn a Matrix Into a List of Columns or Rows |
| nzmort | Mortality Data for New Zealand |
| nzmort_rvec | Mortality Data and Probabilistic Rates for New Zealand |
| q0_to_m0 | Convert q0 to m0 |
| reformat_age | Reformat Age Group Labels |
| reformat_sex | Reformat a Binary Sex Variable |
| rr3 | Randomly Round A Vector of Integers to Base 3 |
| set_age_open | Specify Open Age Group |
| tfr | Calculate Total Fertility Rates |
| to_matrix | Build a Matrix from Measure and ID Variables |
| trim_01 | Trim Values So They Are Between 0 and 1 |
| west_lifetab | Coale-Demeny West Model Life Tables |