Replace group with .group

[adrian-lison]

This PR should fix #99 on the develop branch. All group, old_group and new_group variables have been prefixed with a dot.

[seabbs]

Nice stuff, it looks like you've got everything. The only thing that appears to be missing is that the script in inst that generates the examples needs updating (this is causing the scoring tests to fail at the moment (probably have some more tests using these examples as a way of checking we are reproducing past results as here obviously been helpful).

I quickly added a check function to look for these variables, restyled after merging develop, and added some tests for the new check function.

Once examples are updated and there is a news item for this PR very happy for this to be merged in.

[codecov]

Codecov Report

Merging #102 (acfa8db) into develop (ba6f217) will increase coverage by 0.58%.
The diff coverage is 65.67%.

❗ Current head acfa8db differs from pull request most recent head 3664315. Consider uploading reports for the commit 3664315 to get more accurate results

@@             Coverage Diff             @@
##           develop     #102      +/-   ##
===========================================
+ Coverage    62.57%   63.16%   +0.58%     
===========================================
  Files           12       12              
  Lines          946      961      +15     
===========================================
+ Hits           592      607      +15     
  Misses         354      354              

Impacted Files	Coverage Δ
R/formula-tools.R	92.14% <ø> (ø)
R/model.R	33.52% <0.00%> (ø)
R/utils.R	65.71% <0.00%> (ø)
R/postprocess.R	38.14% <25.00%> (ø)
R/preprocess.R	94.68% <93.10%> (+0.05%)	⬆️
R/check.R	81.25% <100.00%> (+12.82%)	⬆️
R/model-design-tools.R	86.88% <100.00%> (ø)

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[seabbs]

This all looks good to me. Happy to see it merged in when you are ready.

[adrian-lison]

To me as well. Here we go!