augment.breathtestfit {breathtestcore} | R Documentation |

## Augmented prediction for breathtest fit

### Description

Broom method `augment`

to compute predicted values
from the results of class `breathttestfit`

as generated by
`nls_fit`

or `nlme_fit`

.

### Usage

```
## S3 method for class 'breathtestfit'
augment(x, by = NULL, minute = NULL, dose = 100, ...)
```

### Arguments

`x` |
Object of class |

`by` |
When |

`minute` |
When a vector is passed, this overrides settings in |

`dose` |
13C acetate or octanoate dose |

`...` |
other parameters passed to methods |

### Value

When `by`

is NULL, returns one row for each
original observation pdr, and column `fitted`

. If new data are given,
i.e. when one of parameter `by`

or `minute`

is not null,
only column `fitted`

is added.

### See Also

### Examples

```
library(broom)
# Generate simulated data
data = cleanup_data(simulate_breathtest_data(n_records = 3)$data)
# Fit using the curves individually
fit = nls_fit(data)
# Predict values at t=60 and t=120
augment(fit, minute = c(60, 120))
```

[Package

*breathtestcore*version 0.8.7 Index]