added replacement of `.`, `(`, `)`, `-`, and ` ` with `_` in parameter names in the parameter estimation pipeline. This prevents R from automatically converting these characters into `.`.
added replacement of `.`, `(`, `)`, `-`, and ` ` with `_` in parameter names in the parameter estimation pipeline. This prevents R from automatically converting these characters into `.`.

pdp10/sbpipe,pdp10/sbpipe,pdp10/sbpipe,pdp10/sbpipe