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vistributions 0.2.1

Bug Fixes

• vdist_normal_plot() now properly scales the x-axis grid to span mean ± 4 * sd (BUG-01).
• vdist_f_perc() adapts upper x-axis limit dynamically beyond 4.0 when quantiles exceed the default plotting range (BUG-02).
• vdist_t_prob() handles negative percentile values (perc <= -5) without “wrong sign in ‘by’ argument” sequence error (BUG-03).
• vdist_chisquare_plot() ensures shaded fill polygon coordinates match the full extent of xaxis_range (BUG-04).
• Guarded theoretical standard deviation calculation for the F distribution against division-by-zero when denominator degrees of freedom is less than or equal to 4 (den_df <= 4) (BUG-05).
• vdist_t_prob(type = "both") corrects color mapping and annotation placement so left/right shaded tails and central body match their respective regions (BUG-06).
• check_positive() now strictly enforces positive values (val <= 0), rejecting zero and negative inputs (BUG-07).
• check_suggests() formats informative error messages identifying the missing package prior to aborting execution (BUG-08).
• vdist_binom_prob() validates numeric types for n, p, and s before performing range checks (BUG-09).
• check_range() replaces bitwise | with logical || to eliminate scalar evaluation warnings in modern R (BUG-10).
• Visual test snapshot names for vdist_t_prob() interval and both types are properly aligned (BUG-11).
• Removed unprompted network polling (available.packages()) and interactive prompts during package startup in .onAttach(); retained rotating educational tips (BUG-12).
• vdist_normal_perc() scales x-axis bounds dynamically with standard deviation (BUG-13).
• vdist_binom_prob(type = "upper") strictly shades bars where x >= s (BUG-14).
• vdist_binom_prob(type = "exact") matches success counts via integer equality rather than floating-point density comparison (BUG-15).
• vdist_t_prob(type = "upper") aligns text annotation colors with polygon fill colors (BUG-16).
• Added missing positive degrees of freedom validations across t, F, and chi-square functions (BUG-17).
• F distribution normal approximation overlay is strictly clamped to non-negative support (x >= 0) (BUG-18).
• vdist_binom_perc() allows percentile input tp across the full valid range (0, 1) rather than capping at 0.5 (BUG-19).

Documentation & Vignettes

• Fixed pedagogical and numerical discrepancies in vignettes/introduction-to-vistributions.Rmd:
  • Corrected Normal 15th percentile problem cutoff (0.15 instead of 0.85).
  • Aligned Binomial sample size (\(n = 12\) consistently).
  • Synchronized Chi-square question text with lower-tail probability evaluation.
  • Aligned Student’s t 95% interval problem (0.95 instead of 0.8).
  • Fixed inversion of Student’s t interval vs both probability examples.
  • Standardized knitr chunk options (fig.align = 'center').
  • Corrected typographic errors.
• Added explicit @return documentation across all exported plotting and calculation functions.
• Added .github/CONTRIBUTING.md, issue templates, PR template, and upgraded CODE_OF_CONDUCT.md to Contributor Covenant v2.1.

Package Hygiene & Infrastructure

• Removed stale SVG files in tests/figs/ and updated test suite to testthat 3rd edition (Config/testthat/edition: 3).
• Bumped dependency requirement to R (>= 4.1.0).
• Removed unused magrittr dependency from Imports:.
• Configured automated pkgdown website deployment via Netlify.

vistributions 0.2.0

This is a minor release for bug fixes.

vistributions 0.1.2

This is a patch release to fix CRAN note about lazy data.

vistributions 0.1.1

This is a patch release to fix bugs in the app.

vistributions 0.1.0

• Added a NEWS.md file to track changes to the package.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.