Taxecron

simplified extraction of vars and model. Now stops if `poly(x,1)` is used, although this is linear, but this should be negligible.

`calibrate()` is only defined for linear regression models, however, the following code works > mod calibrate(mod,3) > estimate lower upper > -0.0438647 -0.0746398 -0.0131698 The problem is that both checks...