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Showing content from http://cran.rstudio.com/web/packages/Rcpp/../RcppZiggurat/../ggplot2/../nestedLogit/news/news.html below:

NEWS

• new Effect method for "nestedLogit" objects to create effect displays.
• add Effect example to vignette

• correct buglet in as.data.frame method when newdata has one column
• predict.nestedLogit() now includes the newdata data frame as an additional component (.data) in its result. Consequently, the newdata argument is no longer required in the as.data.frame method.

This is a major enhancement to the package, adding computations of standard errors and confidence intervals to predicted probabilities and logits.

• The predict() method now computes standard errors for probabilities and logits using the delta method. These can be obtained for either the response probabilities (and equivalent logits) or for the predicted log odds of the individual dichotomies.
• A confint() method for the result of predict() generates the corresponding confidence intervals.
• as.data.frame() methods for predicted values, either for the nested logit model or for the separate dichotomies converts these to a data frame in long format, handy for using ggplot().
• Added a confint() method for predicted probabilities and logits
• The plot() method for "nestedLogit" objects now plots confidence intervals for predicted probabilities.
• A new vignette, “standard-errors”, describes the mathematics behind the standard error calculations.
• An old vignette on plotting methods was completely re-written using the new predict() methods and focusing exclusively on `ggplot2().

• Added an example of lobstr::tree() to print nested lists
• Now use fig.show="hold" to keep par(op) with the code.

• Reset all par() and options() calls so as to not alter user’s workspace.
• now document all return values.
• added a reference to DESCRIPTION. It is a book, so no doi:, url, etc.
• fixed one URL that win-builder (spuriously) complains about.

• Now allow dichotomies to be specified by a nested (recursive) of binary splits of the categories [suggestion of Achim Zeileis]
• The model object is now of class “nestedLogit” for uniformity.
• A basic plot() method now operational
• Added a linearHypothesis() method to give Wald tests for hypotheses about coefficients or their linear combinations.
• Expanded vignette to illustrate some other methods.
• Added a models() generic and method to extract separate models from the "nestedLogit" object
• Added a logLike() method, and through it, gets AIC() and BIC()
• Reorganized documentation to separate nested hypothesis methods.

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

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