Fix init_model_methods for models with no data

[andrjohns]

Submission Checklist

• Run unit tests
• Declare copyright holder and agree to license (see below)

Summary

Fixes #793 by allowing the model methods to be initialised for models with no input data

Copyright and Licensing

Please list the copyright holder for the work you are submitting
(this will be you or your assignee, such as a university or company):
Andrew Johnson

By submitting this pull request, the copyright holder is agreeing to
license the submitted work under the following licenses:

• Code: BSD 3-clause (https://opensource.org/licenses/BSD-3-Clause)
• Documentation: CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

[codecov-commenter]

Codecov Report

Merging #801 (26ca383) into master (e8fc2d3) will increase coverage by 0.02%.
The diff coverage is 100.00%.

❗ Current head 26ca383 differs from pull request most recent head 99bfe0f. Consider uploading reports for the commit 99bfe0f to get more accurate results

@@            Coverage Diff             @@
##           master     #801      +/-   ##
==========================================
+ Coverage   88.24%   88.27%   +0.02%     
==========================================
  Files          12       12              
  Lines        4160     4161       +1     
==========================================
+ Hits         3671     3673       +2     
+ Misses        489      488       -1     

Files Changed	Coverage Δ
R/utils.R	73.70% <100.00%> (+0.05%)	⬆️

... and 1 file with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[rok-cesnovar]

Awesome, thanks!

[jgabry]

Thanks!

…

On Mon, Jul 31, 2023 at 8:45 AM Andrew Johnson ***@***.***> wrote: Merged #801 <#801> into master. — Reply to this email directly, view it on GitHub <#801 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AB3PQQ2GV4C3LBWCS37X4LTXS7AH7ANCNFSM6AAAAAA25OD3DQ> . You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>