add_spline_time: Add spline to a standata object
In jpkeller/bercs: Bayesian Exposure-Response Curves via Stan

Description Usage Arguments Details Value See Also Examples

Updates a standata object with a matrix of time or exposure splines

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add_spline_time(standata, Mt)

add_spline_exposure(standata, Mx)

`standata`	the standata object to be updated
`Mt, Mx`	the matrix of time or exposure splines to be added

add_spline_time updates the Mt, timedf, and Mt_attributes elements of standata. add_spline_exposure updates the Mx, xdf, and Mx_attributes elements of standata.

The standata object with updated elements.

create_standata_exposure, create_standata_outcome, expsim_update_parameter, outsim_update_parameter, create_spline, create_spline_matrix

exp_data <- create_standata_exposure(group=rep(1, 10),
                                     conc=rnorm(10),
                                     unit_id=rep(0:1, 5),
                                     time=runif(10))
exp_data$Mt
Mt <- create_spline_matrix(exp_data$time, df=3, fn="ns")
exp_data <- add_spline_time(exp_data, Mt=Mt)
exp_data$Mt