update news.md

NEWS.md

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+## serp 0.2.5
+- Resolved issues causing failures in CRAN checks on multiple platforms.
+- Added `tibble`, `vctrs`, and `pkgdown` to `Suggests`.
+- Minor fixes applied to the `serp.fit` file.
+
+---
+
 ## serp 0.2.4
-- errorMetrics() function is modified and no longer exported, an equivalent function with improved functionality is provided by the erroR() function in the gofcat package
-- fix some dependency induced bugs in the package tests
-- remove file License in the description and associated file docs
-- minor changes in serp documentation
+- The `errorMetrics()` function is no longer exported. An equivalent function with enhanced functionality is provided by the `erroR()` function in the **gofcat** package.
+- Fixed dependency-induced bugs in package tests.
+- Removed the `License` file from the `DESCRIPTION` and associated file docs.
+- Minor updates to the **serp** documentation.
 
 ---
+
 ## serp 0.2.3
-- CRAN release
-- import from crayon, with colored outputs in returned objects 
-- changes made in serp test for improved test coverage report
-- bug fix in errorMetrics, with model argument also dropped 
-- add print method and class of objects returned by errorMetrics
-- message() replaces cat() where appropriate
-- add citation for serp package
+- CRAN release.
+- Imported `crayon` to enable colored outputs in returned objects.
+- Improved test coverage by updating **serp** tests.
+- Fixed a bug in `errorMetrics`, with the `model` argument removed.
+- Added a `print` method and object class for `errorMetrics` results.
+- Replaced `cat()` with `message()` where appropriate.
+- Added a citation for the **serp** package.
 
 ---
+
 ## serp 0.2.2
-- JOSS release
-- minor changes in serp documentation
-- provide coefficient() as an alias for coef()
-- update README.md to include community guidelines and contributors code of conduct
-- 
+- JOSS release.
+- Minor updates to **serp** documentation.
+- Provided `coefficient()` as an alias for `coef()`.
+- Updated `README.md` to include community guidelines and a contributors' code of conduct.
 
 ---
+
 ## serp 0.2.1
-- submission to CRAN
+- Initial submission to CRAN.
 
 ---
+
 ## serp 0.2.0.9001
-- update function included in namespace
-- examples included in the different function documentation
-- shrinkage parameter upper limit set to 1e10 in serp.control
-- bug fix in test function
+- Added the `update` function to the namespace.
+- Included examples in the documentation of various functions.
+- Set the shrinkage parameter's upper limit to `1e10` in `serp.control`.
+- Fixed bugs in the test functions.
 
 ---
-## serp 0.2.0.9000 
-- deviance tuning option in serp tuneMethod now replaced by AIC 
-- serp output includes residual degrees of freedom (rdf)
-- function to compute the effective degrees of freedom and rdf from the trace of the generalized hat matrix provided
-- serp.summary documentation has its value segment edited
-- changes made in serp test functions
-- changes made in README.Rmd and README.md
+
+## serp 0.2.0.9000
+- Replaced the deviance tuning option in `serp.tuneMethod` with AIC.
+- **serp** output now includes residual degrees of freedom (rdf).
+- Added functionality to compute effective degrees of freedom and rdf from the trace of the generalized hat matrix.
+- Updated the "Value" section of the `serp.summary` documentation.
+- Enhanced **serp** test functions.
+- Made changes to `README.Rmd` and `README.md`.
 
 ---
+
 ## serp 0.2.0
-- serp version 0.2.0 release
+- Released version 0.2.0 of **serp**.
 
 ---
+
 ## serp 0.1.9.9001
-- re-submission to CRAN
+- Re-submitted to CRAN.
 
 ---
+
 ## serp 0.1.9.9000
-- fixed all issues spotted out in the last version released on CRAN.  
+- Fixed all issues identified in the last CRAN release.
 
 ---
+
 ## serp 0.1.9
-- Submit serp version 0.1.9 to CRAN
+- Submitted **serp** version 0.1.9 to CRAN.
 
 ---
+
 ## serp 0.1.8.9007
-- updates README.md
-- description gets additional doi
-- references in serp documentation updated
+- Updated `README.md`.
+- Added DOI to the `DESCRIPTION` file.
+- Updated references in **serp** documentation.
 
 ---
+
 ## serp 0.1.8.9006
-- Bugs in tests fixed
+- Fixed bugs in tests.
 
 ---
+
 ## serp 0.1.8.9005
-- tests reconstructed to yield improved unit test coverage.
-- rewrote some of the error and warning messages in key serp functions.
-- Bugs in anova.serp fixed.
-- 
+- Reconstructed tests to improve unit test coverage.
+- Revised error and warning messages in key **serp** functions.
+- Fixed bugs in `anova.serp`.
 
 ---
+
 ## serp 0.1.8.9004
-- update License in the description 
-- Bugs in the example codes fixed
-- Bugs in test files corrected
+- Updated the `License` field in `DESCRIPTION`.
+- Fixed bugs in example code.
+- Corrected bugs in test files.
 
 ---
+
 ## serp 0.1.8.9003
-- Column titles of predicted values with reverse TRUE are corrected.
-- Bugs in the deviance (dvfun) are corrected.
-- serp predict function now handles both single and multiple row input(s).
-- serp.fit iteration algorithm improved.
-- commented lines in serp main function removed.
-- reverse and linkf arguments moved from main function to serpfit.
-- loglog and cloglog links now give correct results with reverse='TRUE'.
-- long lines of codes in the score function split for easy readability.
-- starting values augmented to reflect the different link functions.
-- reverse statement removed from cv function.
-- reverse.fun is removed from summary.serp function.
-- predicted values in errorMetrics get normalized for greater efficiency.
+- Corrected column titles for predicted values with `reverse = TRUE`.
+- Fixed bugs in the deviance function (`dvfun`).
+- Enhanced the `serp.predict` function to handle single and multiple row inputs.
+- Improved the iteration algorithm in `serp.fit`.
+- Removed commented lines from the main **serp** function.
+- Moved `reverse` and `linkf` arguments from the main function to `serp.fit`.
+- Corrected results for `loglog` and `cloglog` links with `reverse = TRUE`.
+- Split long lines of code in the score function for readability.
+- Updated starting values to account for different link functions.
+- Removed the `reverse` statement from the `cv` function.
+- Deprecated `reverse.fun` in `summary.serp`.
+- Normalized predicted values in `errorMetrics` for efficiency.
 
 ---
+
 ## serp 0.1.8.9002
-- warning messages in serpfit get updated.
-- Bug in serpfit when specifying gridType corrected.
-- trainError no longer shows up in serp output.
-- reverse.fun is now deprecated.
-- penalty.print gets slightly reconstructed.
-- Bugs in print.summary.serp fixed.
-- Summary.serp drops off trainError with some few more adjustments.
-- Predict gets reconstructed, also bugs when supplying 'newdata' corrected.
-- Bugs in anova function fixed with slope type now included in the output.
-- anova test for the 'penalize' slope currently disabled.
-- updates in serp.control warning messages.
+- Updated warning messages in `serp.fit`.
+- Fixed a bug in `serp.fit` when specifying `gridType`.
+- Removed `trainError` from **serp** output.
+- Deprecated `reverse.fun`.
+- Made minor adjustments to `penalty.print`.
+- Fixed bugs in `print.summary.serp`.
+- Adjusted `summary.serp` to exclude `trainError`.
+- Reconstructed the `predict` function and fixed bugs related to the `newdata` argument.
+- Fixed bugs in the `anova` function, now including slope type in the output.
+- Disabled `anova` tests for the `penalize` slope type.
+- Updated warning messages in `serp.control`.
 
 ---
+
 ## serp 0.1.8.9001
-- serp gets a new license.
+- Adopted a new license for **serp**.
 
 ---
+
 ## serp 0.1.8.9000
-* README.md gets additional badges and a hexagon sticker
+- Added badges and a hexagon sticker to `README.md`.
 
 ---
-## serp 0.1.8
-* package re-submission to CRAN
 
-- reference to methods used in the package is included in the  description field
-- values were added to all exported methods with corresponding explanations
-- examples now runs by having all \dontrun{} removed
-- all occurrences of <<- in the functions are dropped
-- READmE.md is updated
+## serp 0.1.8
+- Re-submitted the **serp** package to CRAN.
+- Included references to methods used in the package in the `DESCRIPTION` field.
+- Added `Value` sections to all exported methods with detailed explanations.
+- Enabled all examples by removing `\dontrun{}` blocks.
+- Removed all occurrences of `<<-` in functions.
+- Updated `README.md`.