v1.6.6

[jhollway]

Description

Checklist:

• Documentation
  • DESCRIPTION file version is bumped by the appropriate increment (major, minor, patch)
  • Longer functions are commented inline or broken down into helper functions to help debugging
• PR form
  • Title indicates expected version number
  • PR description above and the NEWS.md file are aligned
  • Description above itemizes changes under subsection titles, e.g. "## Data""
  • Closed, fixed, or related issues are referenced and explained in the description above, e.g. "Fixed #0 by adding A"

[Copilot]

Pull request overview

Release bump to migraph 1.6.6, focused on packaging/release metadata updates plus small test/print-method hygiene and tutorial formatting tweaks.

Changes:

• Bump package version to 1.6.6 and update dependency constraints (notably autograph).
• Remove {netrics} tutorial tests; tighten some testthat expectations (expect_length()).
• Make several S3 print() methods return the printed object invisibly; minor tutorial/Rmd formatting cleanups.

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tests/testthat/test-tutorials_netrics.R	Removes {netrics} tutorial testing.
tests/testthat/test-model_tests.R	Switches length() assertions to expect_length().
R/model_tests.R	print.network_test() now returns x invisibly.
R/class_models.R	print.netlm() / print.netlogit() now return x invisibly.
R/class_makes.R	print.diffs_model() / print.over_memb() now return invisibly (with a behavior caveat noted in comments).
NEWS.md	Adds 1.6.6 release notes.
inst/tutorials/tutorial9/ergm.Rmd	Minor learnr and ggplot numeric formatting tweaks.
inst/tutorials/tutorial8/diversity.Rmd	Minor learnr argument formatting tweak.
inst/tutorials/tutorial0/tutorial0.Rmd	Line wrapping/formatting in examples/comments.
DESCRIPTION	Version bump to 1.6.6; dependency constraint updates.
cran-comments.md	Adds CRAN dependency-check notes (but needs alignment with actual dependency versions).

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