visualise_inputs: Title
In Sheffield-Diffusion-Curve/DCGen: A Bass diffusion curve generator

Title

visualise_inputs(pars, col = "#FF6666")

visualise_fitted(pars, col = "#FF6666")

visualise_comparing(pars, col_i = "blue", col_o = "black")

visualise_curves(curves, dN = F, statistics = T, ci_range = 95,
  average = c("mean", "median"))

`pars`	sampled parameters
`col`	colour of density diagrams
`col_i`	colour of input variables
`col_o`	colour of fitted variables
`curves`	generated diffusion curves
`dN`	show new adoption or not
`statistics`	show statistics or curves
`ci_range`	range of confidence intervals (0 - 100)
`average`	average from ["mean", "median"]