internal SimObservationsSet(string subject, Arr <SimObservations> observations)
{
RequireTrue(observations.ForAll(o => o.Subject == subject));
Subject = subject;
Observations = observations;
}
private static Arr <SimInput> CompileSampleInputs(
Simulation simulation,
Arr <DataTable> samples,
Arr <DesignParameter> invariants
)
{
RequireTrue(invariants.ForAll(
dp => dp.Distribution.DistributionType == DistributionType.Invariant
));
var defaultInput = simulation.SimConfig.SimInput;
var targetParameters = samples.Head().Columns
.Cast <DataColumn>()
.Select(dc => defaultInput.SimParameters.GetParameter(dc.ColumnName))
.ToArr();
var invariantParameters = invariants.Map(dp =>
{
var parameter = defaultInput.SimParameters.GetParameter(dp.Name);
return(parameter.With(dp.Distribution.Mean));
});
return(samples
.Map(dt => Range(0, dt.Rows.Count).Map(row =>
{
var dataRow = dt.Rows[row];
var sampleParameters = targetParameters
.Map((i, p) => p.With(dataRow.Field <double>(i)))
.ToArr();
return defaultInput.With(sampleParameters + invariantParameters);
}))
.Bind(ei => ei)
.ToArr());
}