build_formula | R Documentation |

This builds the model formula which is used inside `fit_mmrm()`

and provided
to `mmrm::mmrm()`

internally. It can be instructive to look at the resulting
formula directly sometimes.

```
build_formula(
vars,
cor_struct = c("unstructured", "toeplitz", "heterogeneous toeplitz", "ante-dependence",
"heterogeneous ante-dependence", "auto-regressive", "heterogeneous auto-regressive",
"compound symmetry", "heterogeneous compound symmetry")
)
```

`vars` |
( |

`cor_struct` |
( |

Formula to use in `mmrm::mmrm()`

.

```
vars <- list(
response = "AVAL", covariates = c("RACE", "SEX"),
id = "USUBJID", arm = "ARMCD", visit = "AVISIT"
)
build_formula(vars, "auto-regressive")
build_formula(vars)
```

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