Fix vignette "Plugging in new calibration algorithms in airGR"

The starting points used for the multi-start approach are in the real space, while they should be in the transformed space.

The line

startGR4J <- expand.grid(data.frame(CalibOptions$StartParamDistrib))

should be replaced by

StartParamDistrib <- matrix(c(+5.13, -1.60, +3.03, -9.05,
                         +5.51, -0.61, +3.74, -8.51,
                         +6.07, -0.02, +4.42, -8.06), ncol = 4, byrow = TRUE)
startGR4J <- expand.grid(data.frame(StartParamDistrib))

or perhaps, by a more diverse list of starting points sampled in the transformed space if we want to find local optima.

In addition, we should use Outputs_Sim = "Qsim" during the calibration steps to reduce the computation times (for the MCMC vignette too).

changed milestone to %v1.6.11

created merge request !33 (merged) to address this issue

mentioned in merge request !33 (merged)

created merge request !34 (closed) to address this issue

mentioned in merge request !34 (closed)

mentioned in commit 2f9d46b3

mentioned in commit fc918ee3

mentioned in commit e31bbbfc

closed via merge request !33 (merged)

added BUG DOC labels